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1 engine related problem
Техника: неисправность двигателяУниверсальный англо-русский словарь > engine related problem
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2 problem
1. проблема; задача2. проблема; трудностьproblem of three bodiesaerodynamic problemaeroelastic problemaeroservoelastic problembending problembest-range problembirdstrike problemBlasius boundary layer stability problemBolza problemboundary value problemBoussinesq problembuckling problemcalculus of variations problemChebyshev problemcompressible problemconstrained problemcontact problemcontinuum problemcontrol problemcorrosion problemcoupling control problemcrack problemcross-coupling problemcross-coupling robust design problemdesign problemdeterministic problemdirect problemdiscrete variable problemdivergence problemeigenvalue problemelastic contact problemelastic torsion problemelastoplastic problemelastostatic problemengine problemengine-out problemestimation problemfatigue problemfeedback problemfixed endpoint problemFlamant problemflap-lag problemflap-lag-torsion problemflight dynamics problemflutter problemg-LOC-in-flight problemg-tolerance problemguidance problemhandling problemhardware problemhigh-order problemhigh-g problemicing problemimpact problemin-service problemincompressible problemLamb's problemlanding problemlifting surface problemlinear regulator problemlinear quadratic Gaussian problemLQG problemmaneuver problemmechanics problemminimax problemminimum time problemminimum time-to-climb problemminimum fuel problemminimum time to turn problemmulti-input multi-output problemnonself-adjoint problemnonlinear inequality-constrained problemnumerical problemoptimal control problemoptimal guidance problemoptimization problemPIO problemplane stress problempost-buckling problempursuit-evasion problemrobustness problemrotor-fuselage problemrotorcraft problemsaddle point problemsafety-of-flight problemscattering problemstability problemstall problemstatically determinate problemstepped-altitude problemstress problemSturm-Liouville problemsupersonic aircraft problemsynthesis problemtail-rotor problemtakeoff problemtargeting problemthermoelasticity problemthree-state problemtime-delay-related problemtraveling salesman problemtwist problemtwo-dimensional airfoil problemtwo-point boundary value problemunconstrained problemvariational problemvibration problemviscoelastic problemvisibility problemvisual problem -
3 right
1. adjective1) (just, morally good) richtigit is only right [and proper] to do something/that somebody should do something — es ist nur recht und billig, etwas zu tun/dass jemand etwas tut
you're [quite] right — du hast [völlig] recht
too right! — (coll.) allerdings!
be right in something — recht mit etwas haben
is that clock right? — geht die Uhr da richtig?
put or set right — richtig stellen [Irrtum]; wieder gutmachen [Unrecht]; berichtigen [Fehler]; bereinigen [Missverständnis]; wieder in Ordnung bringen [Situation, Angelegenheit, Gerät]
put or set somebody right — jemanden berichtigen od. korrigieren
right [you are]!, (Brit.) right oh! — (coll.) okay! (ugs.); alles klar! (ugs.)
that's right — ja[wohl]; so ist es
is that right? — stimmt das?; (indeed?) aha!
3) (preferable, most suitable) richtig; rechtsay/do the right thing — das Richtige sagen/tun
not be quite right in the head — nicht ganz richtig [im Kopf] sein
as right as rain — (coll.) (in health) gesund wie ein Fisch im Wasser; (satisfactory) in bester Ordnung
put somebody right — (restore to health) jemanden [wieder] auf die Beine bringen; see also mind 1. 7)
5)you're a right one! — (coll.) du bist mir der/die Richtige!
6) (opposite of left) recht...on the right side — auf der rechten Seite; rechts; see also turn 1. 3)
be somebody's right arm — (fig.) jemandes rechte Hand sein
7)2. transitive verbRight — (Polit.) recht... See also right side
1) (correct) berichtigen; richtig stellen2) (restore to upright position) [wieder] aufrichten; [Boot usw.:]3. nounright itself — sich [von selbst] [wieder] aufrichten; (fig.): (come to proper state) [Mangel:] sich [von selbst] geben
have a/no right to something — ein/kein Anrecht od. Recht auf etwas (Akk.) haben
have a or the/no right to do something — das/kein Recht haben, etwas zu tun
by right of — auf Grund (+ Gen.)
belong to somebody as of or by right — jemandes rechtmäßiges Eigentum sein
what right has he [got] to do that? — mit welchem Recht tut er das?
in one's own right — aus eigenem Recht
the right to work/life — das Recht auf Arbeit/Leben
right of way — (right to pass across) Wegerecht, das; (path) öffentlicher Weg; (precedence) Vorfahrtsrecht, das
who has the right of way? — wer hat Vorfahrt?
be within one's rights to do something — etwas mit [Fug und] Recht tun können
2) (what is just) Recht, dasby right[s] — von Rechts wegen
do right — sich richtig verhalten; richtig handeln
do right to do something — recht daran tun, etwas zu tun
in the right — im Recht
3) (right-hand side) rechte Seiteon or to the right [of somebody/something] — rechts [von jemandem/etwas]
on or to my right, to the right of me — rechts von mir; zu meiner Rechten
4) (Polit.)be on the Right of the party — dem rechten Flügel der Partei angehören
5) in pl. (proper state)set or put something to rights — etwas in Ordnung bringen
7) (Boxing) Rechte, die4. adverb2) (to the side opposite left) nach rechts3) (all the way) bis ganz; (completely) ganz; völligright through the summer — den ganzen Sommer hindurch
right round the house — ums ganze Haus [herum]
4) (exactly) genauright in the middle of something — mitten in etwas (Dat./Akk.)
right now — im Moment; jetzt sofort, gleich [handeln]
right at the beginning — gleich am Anfang
right on! — (coll.) (approving) recht so!; so ist's recht!; (agreeing) genau!; ganz recht!
5) (straight) direkt; genaugo right on [the way one is going] — [weiter] geradeaus gehen od. fahren
6) (coll.): (immediately)right [away/off] — sofort; gleich
* * *1. adjective1) (on or related to the side of the body which in most people has the more skilful hand, or to the side of a person or thing which is toward the east when that person or thing is facing north (opposite to left): When I'm writing, I hold my pen in my right hand.) rechts2) (correct: Put that book back in the right place; Is that the right answer to the question?) richtig3) (morally correct; good: It's not right to let thieves keep what they have stolen.) richtig4) (suitable; appropriate: He's not the right man for this job; When would be the right time to ask him?) richtig2. noun1) (something a person is, or ought to be, allowed to have, do etc: Everyone has the right to a fair trial; You must fight for your rights; You have no right to say that.) das Recht2) (that which is correct or good: Who's in the right in this argument?) das Recht, im Rechten3) (the right side, part or direction: Turn to the right; Take the second road on the right.)4) (in politics, the people, group, party or parties holding the more traditional beliefs etc.) die Rechten3. adverb1) (exactly: He was standing right here.) direkt3) (close: He was standing right beside me.) direkt5) (to the right: Turn right.) rechts4. verb1) (to bring back to the correct, usually upright, position: The boat tipped over, but righted itself again.) (auf)richten2) (to put an end to and make up for something wrong that has been done: He's like a medieval knight, going about the country looking for wrongs to right.) wiedergutmachen5. interjection(I understand; I'll do what you say etc: `I want you to type some letters for me.' `Right, I'll do them now.') gut- righteous- righteously
- righteousness
- rightful
- rightfully
- rightly
- rightness
- righto
- right-oh
- rights
- right angle
- right-angled
- right-hand
- right-handed
- right wing 6. adjective- right-winger- by rights
- by right
- get
- keep on the right side of
- get right
- go right
- not in one's right mind
- not quite right in the head
- not right in the head
- put right
- put/set to rights
- right away
- right-hand man
- right now
- right of way
- serve right* * *[raɪt]I. ADJECTIVEit was \right of you to tell me es war richtig von dir, es mir zu sagenyou're \right to be annoyed du bist zu Recht verärgertto do the \right thing das Richtige tun\right and proper recht und billigwere you given the \right change? hat man dir richtig herausgegeben?do you have the \right time? können Sie mir bitte sagen, wie spät es ist?is your watch \right? geht deine Uhr richtig?to get sth \right etw richtig machenyou got three answers \right du hast drei Antworten richtigdid you get that sum \right? hast du [da] richtig gerechnet?to put sth \right etw richtigstellento put a clock \right eine Uhr richtig einstellento put matters \right Tatsachen richtigstellento put sb \right jdn berichtigenam I \right in thinking that... gehe ich recht in der Annahme, dass...you were \right about him Sie haben was ihn angeht Recht gehabtyou're leaving tomorrow, \right? Sie haben doch vor, morgen abzureisen, oder [o richtig]?he's the \right person for the job er ist der Richtige für den Jobhe thought the time was \right to... er dachte, das sei der passende [o richtige] Zeitpunkt, um...to be on the \right lines auf dem richtigen Weg seinto be in the \right place at the \right time zur rechten Zeit am rechten Ort seinto put a machine \right eine Maschine reparieren [o in Ordnung bringento be/be not in one's \right mind [ganz]/nicht [ganz] bei Verstand seinI would give my \right hand to meet the President ( fam) ich würde alles dafür geben, [um] mal den Präsidenten zu treffen fam\right helix CHEM rechtsdrehende Helixa \right hook SPORT ein rechter Hakento make a \right turn rechts abbiegenhe's a \right idiot er ist ein Vollidiot [o totaler Idiot] fama \right one ein Dummkopf m famII. ADVERBthe car ran \right out of fuel der Tank war völlig leershe walked \right past me sie lief direkt an mir vorbei\right through durch und durchto be \right behind sb voll [und ganz] hinter jdm stehenI filled the bath \right up to the top ich habe die Badewanne [bis zum Rand] volllaufen lassenshe came up \right behind me plötzlich stand sie direkt hinter mirhe'll be \right back er ist gleich [wieder] zurückI'll be \right with you ich komme sofort\right now gleich jetzt, im Moment\right on! ( fam) ganz genau!\right enough ( fam) völlig richtigit's a hard job \right enough es ist ein echt harter Jobto guess \right richtig ratento do \right by sb sich akk jdm gegenüber anständig [o korrekt] verhaltento go \right gut laufen; (end) gut ausgehenthings have been going \right for me es läuft gut für michthe R\right Honourable Sarah Bast, MP die sehr Ehrenwerte Sarah Bast, Mitglied des Parlamentsthe R\right Reverend John Jones Bischof John Jones9.III. NOUNthe difference between \right and wrong der Unterschied zwischen Recht und Unrecht2. (morally correct thing) das Richtigeto discuss the \rights and wrongs of sth [über] das Für und Wider [o das Pro und Kontra] einer S. gen diskutierenthe \right to sth das Anrecht auf etw akk\right of abode Wohnrecht nt\right of asylum Asylrecht nt\right of determination Bestimmungsrecht nt\right of entry Eintrittsrecht nt\right of free speech Recht nt auf freie Meinungsäußerung\right of indemnity Ersatzanspruch m\right of inspection Einsichtsrecht nt\right of lien Pfandrecht nt\right of recourse Rückgriffsrecht nt\right to recourse Regressrecht nt\right of residence Wohnrecht ntwomen's \rights die Frauenrechte pl, die Rechte pl der Frau[en]established \right Gewohnheitsrecht ntit is sb's [legal] \right to do sth es ist jds gutes Recht, etw zu tunit's my \right as a doctor to... es ist mein Recht als Arzt, zu...to be within one's \rights to do sth das Recht haben, etw zu tun; (I am within my rights) das ist mein gutes Rechtto have the \right to do sth das Recht haben, etw zu tunwhat \right have you got to criticize me? was gibt dir das Recht, mich zu kritisieren?to know one's \rights seine Rechte kennento stand up for one's \rights für seine Rechte einstehenby \rights von Rechts wegen4. (authority, ownership)fishing \rights Fischereirechte plon [or to] the \right rechts, auf der rechten Seite, zur Rechten gehon my/her \right rechts [von mir/ihr], zu meiner/ihrer Rechten gehthe first/second \right die erste/zweite [Straße] rechtstake the second \right fahren Sie die zweite rechts [rein fam]▪ the R\right die Rechtethe far \right die Rechtsextremen plon the \right im rechten Lager10.▶ to be in the \right im Recht sein▶ in one's own \right selberIV. TRANSITIVE VERB1.the boat will \right itself if it capsizes das Boot balanciert sich von selbst wieder aus, wenn es kentert2. (rectify)to \right a mistake/wrong einen Fehler/ein Unrecht wiedergutmachenV. INTERJECTION( fam)\right you are! in Ordnung!too \right! wohl [o nur zu] wahr!3. (filler word) alsoso we were on our way to work, \right, when... also, wir waren auf dem Weg zur Arbeit, als...4. (as introduction)* * *[raɪt]1. adj1) (= just, fair, morally good) richtig, recht (S Ger)he thought it right to warn me — er hielt es für richtig, mich zu warnen
it seemed only right to give him the money — es schien richtig, ihm das Geld zu geben
it is only right to point out that... — es ist nur recht und billig, wenn man darauf hinweist, dass...
2) (= true, correct) answer, solution, time, train richtigto be right (person) — recht haben; (answer, solution) richtig sein, stimmen; (clock) richtig gehen
how right you are! (inf) — da haben Sie ganz recht
you were right to refuse or in refusing — Sie hatten recht, als Sie ablehnten
let's get it right this time! — mach es dieses Mal richtig; (in reporting facts etc) sag es dieses Mal richtig
to put or set right (error) — korrigieren; clock richtig stellen; situation wieder in Ordnung bringen
I tried to put things right after their quarrel — ich versuchte, nach ihrem Streit wieder einzulenken
3) (= proper) clothes, document richtigwhat's the right thing to do in this case? —
that is the right way of looking at it —
Mr/Miss Right (inf) — der/die Richtige (inf)
we will do what is right for the country —
4)(= well)
the medicine soon put or set him right — die Medizin hat ihn schnell wiederhergestellt or wieder auf die Beine gebrachtto be as right as rain (Brit) — kerngesund sein; (after accident) keine Schramme abbekommen haben (inf)
nobody in their right mind would... — kein vernünftiger Mensch würde...
who in their right mind would...? — welcher vernünftige Mensch würde...?
See:5)that's right, dear, put it on the table — schön, stell es bitte auf den Tisch
so they came in the end – is that right? — und so kamen sie schließlich – wirklich?
he's a right fool! ( Brit inf ) — er ist wirklich doof (inf)
you're a right one ( Brit inf ) — du bist mir der Richtige (inf)
6) (= opposite of left) rechte(r, s)right hand —
I'd give my right hand to know the answer — ich würde was drum geben, wenn ich die Antwort wüsste (inf)
on your right hand — rechter Hand, rechts
7)2. adv1) (= straight, directly) direkt; (= exactly) genauright in front/ahead of you — direkt or genau vor Ihnen
go right on — gehen/fahren Sie geradeaus weiter
right in the middle — genau or direkt in der/die Mitte
I'll be right with you — ich bin gleich da
2) (= completely, all the way) ganzright round the house — ganz um das Haus herum; (inside) durch das ganze Haus
right through (drive, go) —
rotten right through — durch und durch verfault or (fig) verdorben
3) (= correctly) richtignothing goes right for them — nichts klappt bei ihnen (inf), bei ihnen läuft alles schief (inf)
I'll see you right (inf) — ich werde aufpassen, dass Sie nicht zu kurz kommen (inf)
See:→ serve5) (= opposite of left) rechtsto be cheated right, left and centre or right and left (inf) — von vorne bis hinten betrogen werden (inf)
or center ( US inf ) — bei Gott und der Welt Schulden haben (inf)
3. nI want to know the rights and wrongs of it first — ich möchte erst beide Seiten kennenlernen
to have a or the right to do sth — ein or das Recht haben, etw zu tun
by rights — rechtmäßig, von Rechts wegen
in one's own right —
See:→ civil rightsto have the ( sole) rights to sth — die (alleinigen) Rechte an etw (dat) haben
4)5) (= not left) rechte Seiteto keep to the right — sich rechts halten, rechts bleiben
the Right (Pol) — die Rechte
those to the right of him (Pol) — diejenigen, die weiter rechts stehen als er
4. vt1) (= return to upright position) aufrichten2) (= make amends for) wrong wiedergutmachen3)* * *right [raıt]1. richtig, recht, angemessen:it is only right (and proper) es ist nur recht und billig ( that dass);he does not do it the right way er macht es nicht richtig;the right thing das Richtige;say the right thing das rechte Wort finden;think it right es für richtig oder angebracht halten;2. richtig:a) korrektb) den Tatsachen entsprechend, wahr (-heitsgemäß):the solution is right die Lösung stimmt oder ist richtig;is your watch right? geht Ihre Uhr richtig?;am I right for …? bin ich auf dem richtigen Weg nach …?;be right recht haben;right you are! richtig!, jawohl!;that’s right! ganz recht!, richtig!, stimmt!;prove sb right beweisen, dass jemand recht hat; jemandem recht geben (Ereignis);right? umg richtig?, nicht wahr?;3. richtig, geeignet:he is the right man er ist der Richtige;the right man in the right place der rechte Mann am rechten Platz;4. gesund:out of one’s right mind, not right in one’s ( oder the) head umg nicht richtig (im Kopf), nicht ganz oder recht bei Trost;5. richtig, in Ordnung:come right in Ordnung kommen;a) in Ordnung bringen,c) einen Irrtum richtigstellen,d) jemanden gesund machen;put o.s. right with sba) sich vor jemandem rechtfertigen,b) sich mit jemandem gut stellen6. recht(er, e, es), Rechts…:right hand rechte Hand (a. fig Vertrauensperson);a) rechte Seite, Oberseite f (auch von Stoffen, Münzen etc),on the right side of 50 noch nicht 50 (Jahre alt);7. obs rechtmäßig (Erbe etc)8. MATHb) rechtwink(e)lig (Dreieck)c) gerade (Linie)d) senkrecht (Figur)9. POL recht(er, e, es), rechtsgerichtet, Rechts…:be very right sehr weit rechts stehenB sas of right von Rechts wegen, kraft Gesetzes;by rights eigentlich;in the right im Recht;right or wrong Recht od Unrecht;know right from wrong Recht von Unrecht unterscheiden können;do sb right jemandem Gerechtigkeit widerfahren lassen;give sb their rights jemandem sein Recht geben oder lassen2. JURto auf akk)b) Berechtigung f:right of inheritance Erbschaftsanspruch;right of possession Eigentumsrecht;right of sale Verkaufs-, Vertriebsrecht;right to vote Wahl-, Stimmrecht;rights and duties Rechte und Pflichten;a) im Namen seiner Frau,b) vonseiten seiner Frau;have a right to (ein) Anrecht haben auf;know one’s rights seine Rechte kennen;stand on one’s right(s) auf seinem Recht bestehen;in one’s own righta) aus eigenem Recht,b) selbstständig, für sich (allein), selbst;be within one’s own rights das Recht auf seiner Seite haben;what right have they to do that? mit welchem Recht tun sie das?;equal rights pl for women die Gleichberechtigung der Frau; → assemble B, assembly 1, common B 2, exist 1, privacy 2, reserve A 5, right of way, self-determination3. WIRTSCHa) (Ankaufs-, Vorkaufs) Recht n, Berechtigung fb) oft pl Bezugsrecht n (auf Aktien oder Obligationen)c) Bezug(s)schein m5. pl (richtige) Ordnung:the world was set to rights again die Welt war wieder in Ordnung6. pl wahrer Sachverhalton ( oder at, to) the right (of) zur Rechten (gen), rechts (von), auf der rechten Seite (von oder gen), rechter Hand (von);on our right zu unserer Rechten, uns zur Rechten;a) sich rechts halten,b) AUTO rechts fahren;be to the right of POL rechts stehen von8. rechte Hand, Rechte f11. pl JAGD unterste Enden pl (des Hirschgeweihs)C adv1. gerade(wegs), direkt:2. völlig, ganz (u. gar):turn right round sich ganz herumdrehen;rotten right through durch und durch faul3. genau, direkt:right at the outset gleich am Anfang;I’ll be right back ich bin gleich wieder da;5. richtig, recht:you did right to inf es war richtig von dir, dass du …;guess right richtig (er)raten;6. obs recht, ganz:know right well sehr wohl oder recht gut wissen7. recht, richtig, gut:nothing goes right with me (bei) mit geht alles schief;turn out right gut ausgehenturn right (sich) nach rechts wenden;a) rechts und links,right about face! MIL (ganze Abteilung,) kehrt!9. dial oder umg richtig:D v/t1. (aus-, auf)richten, in die richtige Lage bringen:right the machine FLUG die Maschine abfangen;the boat rights herself das Schiff richtet sich wieder auf2. einen Fehler, Irrtum berichtigen:a) sich wieder ausgleichen,b) (wieder) in Ordnung kommen4. ein Unrecht, einen Schaden etc wiedergutmachen5. a) jemandem zu seinem Recht verhelfenb)(o.s. sich) rehabilitierenE v/ia) sich (wieder) aufrichtenb) in die richtige Lage kommen* * *1. adjective1) (just, morally good) richtigit is only right [and proper] to do something/that somebody should do something — es ist nur recht und billig, etwas zu tun/dass jemand etwas tut
2) (correct, true) richtigyou're [quite] right — du hast [völlig] recht
too right! — (coll.) allerdings!
put or set right — richtig stellen [Irrtum]; wieder gutmachen [Unrecht]; berichtigen [Fehler]; bereinigen [Missverständnis]; wieder in Ordnung bringen [Situation, Angelegenheit, Gerät]
put or set somebody right — jemanden berichtigen od. korrigieren
right [you are]!, (Brit.) right oh! — (coll.) okay! (ugs.); alles klar! (ugs.)
that's right — ja[wohl]; so ist es
is that right? — stimmt das?; (indeed?) aha!
[am I] right? — nicht [wahr]?; oder [nicht]? (ugs.); see also all 3.
3) (preferable, most suitable) richtig; rechtsay/do the right thing — das Richtige sagen/tun
4) (sound, sane) richtignot be quite right in the head — nicht ganz richtig [im Kopf] sein
as right as rain — (coll.) (in health) gesund wie ein Fisch im Wasser; (satisfactory) in bester Ordnung
put somebody right — (restore to health) jemanden [wieder] auf die Beine bringen; see also mind 1. 7)
5)you're a right one! — (coll.) du bist mir der/die Richtige!
6) (opposite of left) recht...on the right side — auf der rechten Seite; rechts; see also turn 1. 3)
be somebody's right arm — (fig.) jemandes rechte Hand sein
7)2. transitive verbRight — (Polit.) recht... See also right side
1) (correct) berichtigen; richtig stellen2) (restore to upright position) [wieder] aufrichten; [Boot usw.:]3. nounright itself — sich [von selbst] [wieder] aufrichten; (fig.): (come to proper state) [Mangel:] sich [von selbst] geben
1) (fair claim, authority) Recht, das; Anrecht, dashave a/no right to something — ein/kein Anrecht od. Recht auf etwas (Akk.) haben
have a or the/no right to do something — das/kein Recht haben, etwas zu tun
by right of — auf Grund (+ Gen.)
belong to somebody as of or by right — jemandes rechtmäßiges Eigentum sein
what right has he [got] to do that? — mit welchem Recht tut er das?
the right to work/life — das Recht auf Arbeit/Leben
right of way — (right to pass across) Wegerecht, das; (path) öffentlicher Weg; (precedence) Vorfahrtsrecht, das
be within one's rights to do something — etwas mit [Fug und] Recht tun können
2) (what is just) Recht, dasby right[s] — von Rechts wegen
do right — sich richtig verhalten; richtig handeln
do right to do something — recht daran tun, etwas zu tun
3) (right-hand side) rechte Seiteon or to the right [of somebody/something] — rechts [von jemandem/etwas]
on or to my right, to the right of me — rechts von mir; zu meiner Rechten
4) (Polit.)5) in pl. (proper state)set or put something to rights — etwas in Ordnung bringen
6) (in marching) see left II 3. 4)7) (Boxing) Rechte, die4. adverb1) (properly, correctly, justly) richtig [machen, raten, halten]2) (to the side opposite left) nach rechts3) (all the way) bis ganz; (completely) ganz; völligright round the house — ums ganze Haus [herum]
4) (exactly) genauright in the middle of something — mitten in etwas (Dat./Akk.)
right now — im Moment; jetzt sofort, gleich [handeln]
right on! — (coll.) (approving) recht so!; so ist's recht!; (agreeing) genau!; ganz recht!
5) (straight) direkt; genaugo right on [the way one is going] — [weiter] geradeaus gehen od. fahren
6) (coll.): (immediately)right [away/off] — sofort; gleich
7) (arch./dial.): (very) sehr* * *adj.genau adj.gerade adj.gleich adj.recht adj.rechts adj.richtig adj.sehr adj. adv.genau adv.recht adv.richtig adv. n.Berechtigung f.Recht -e n. -
4 Artificial Intelligence
In my opinion, none of [these programs] does even remote justice to the complexity of human mental processes. Unlike men, "artificially intelligent" programs tend to be single minded, undistractable, and unemotional. (Neisser, 1967, p. 9)Future progress in [artificial intelligence] will depend on the development of both practical and theoretical knowledge.... As regards theoretical knowledge, some have sought a unified theory of artificial intelligence. My view is that artificial intelligence is (or soon will be) an engineering discipline since its primary goal is to build things. (Nilsson, 1971, pp. vii-viii)Most workers in AI [artificial intelligence] research and in related fields confess to a pronounced feeling of disappointment in what has been achieved in the last 25 years. Workers entered the field around 1950, and even around 1960, with high hopes that are very far from being realized in 1972. In no part of the field have the discoveries made so far produced the major impact that was then promised.... In the meantime, claims and predictions regarding the potential results of AI research had been publicized which went even farther than the expectations of the majority of workers in the field, whose embarrassments have been added to by the lamentable failure of such inflated predictions....When able and respected scientists write in letters to the present author that AI, the major goal of computing science, represents "another step in the general process of evolution"; that possibilities in the 1980s include an all-purpose intelligence on a human-scale knowledge base; that awe-inspiring possibilities suggest themselves based on machine intelligence exceeding human intelligence by the year 2000 [one has the right to be skeptical]. (Lighthill, 1972, p. 17)4) Just as Astronomy Succeeded Astrology, the Discovery of Intellectual Processes in Machines Should Lead to a Science, EventuallyJust as astronomy succeeded astrology, following Kepler's discovery of planetary regularities, the discoveries of these many principles in empirical explorations on intellectual processes in machines should lead to a science, eventually. (Minsky & Papert, 1973, p. 11)5) Problems in Machine Intelligence Arise Because Things Obvious to Any Person Are Not Represented in the ProgramMany problems arise in experiments on machine intelligence because things obvious to any person are not represented in any program. One can pull with a string, but one cannot push with one.... Simple facts like these caused serious problems when Charniak attempted to extend Bobrow's "Student" program to more realistic applications, and they have not been faced up to until now. (Minsky & Papert, 1973, p. 77)What do we mean by [a symbolic] "description"? We do not mean to suggest that our descriptions must be made of strings of ordinary language words (although they might be). The simplest kind of description is a structure in which some features of a situation are represented by single ("primitive") symbols, and relations between those features are represented by other symbols-or by other features of the way the description is put together. (Minsky & Papert, 1973, p. 11)[AI is] the use of computer programs and programming techniques to cast light on the principles of intelligence in general and human thought in particular. (Boden, 1977, p. 5)The word you look for and hardly ever see in the early AI literature is the word knowledge. They didn't believe you have to know anything, you could always rework it all.... In fact 1967 is the turning point in my mind when there was enough feeling that the old ideas of general principles had to go.... I came up with an argument for what I called the primacy of expertise, and at the time I called the other guys the generalists. (Moses, quoted in McCorduck, 1979, pp. 228-229)9) Artificial Intelligence Is Psychology in a Particularly Pure and Abstract FormThe basic idea of cognitive science is that intelligent beings are semantic engines-in other words, automatic formal systems with interpretations under which they consistently make sense. We can now see why this includes psychology and artificial intelligence on a more or less equal footing: people and intelligent computers (if and when there are any) turn out to be merely different manifestations of the same underlying phenomenon. Moreover, with universal hardware, any semantic engine can in principle be formally imitated by a computer if only the right program can be found. And that will guarantee semantic imitation as well, since (given the appropriate formal behavior) the semantics is "taking care of itself" anyway. Thus we also see why, from this perspective, artificial intelligence can be regarded as psychology in a particularly pure and abstract form. The same fundamental structures are under investigation, but in AI, all the relevant parameters are under direct experimental control (in the programming), without any messy physiology or ethics to get in the way. (Haugeland, 1981b, p. 31)There are many different kinds of reasoning one might imagine:Formal reasoning involves the syntactic manipulation of data structures to deduce new ones following prespecified rules of inference. Mathematical logic is the archetypical formal representation. Procedural reasoning uses simulation to answer questions and solve problems. When we use a program to answer What is the sum of 3 and 4? it uses, or "runs," a procedural model of arithmetic. Reasoning by analogy seems to be a very natural mode of thought for humans but, so far, difficult to accomplish in AI programs. The idea is that when you ask the question Can robins fly? the system might reason that "robins are like sparrows, and I know that sparrows can fly, so robins probably can fly."Generalization and abstraction are also natural reasoning process for humans that are difficult to pin down well enough to implement in a program. If one knows that Robins have wings, that Sparrows have wings, and that Blue jays have wings, eventually one will believe that All birds have wings. This capability may be at the core of most human learning, but it has not yet become a useful technique in AI.... Meta- level reasoning is demonstrated by the way one answers the question What is Paul Newman's telephone number? You might reason that "if I knew Paul Newman's number, I would know that I knew it, because it is a notable fact." This involves using "knowledge about what you know," in particular, about the extent of your knowledge and about the importance of certain facts. Recent research in psychology and AI indicates that meta-level reasoning may play a central role in human cognitive processing. (Barr & Feigenbaum, 1981, pp. 146-147)Suffice it to say that programs already exist that can do things-or, at the very least, appear to be beginning to do things-which ill-informed critics have asserted a priori to be impossible. Examples include: perceiving in a holistic as opposed to an atomistic way; using language creatively; translating sensibly from one language to another by way of a language-neutral semantic representation; planning acts in a broad and sketchy fashion, the details being decided only in execution; distinguishing between different species of emotional reaction according to the psychological context of the subject. (Boden, 1981, p. 33)Can the synthesis of Man and Machine ever be stable, or will the purely organic component become such a hindrance that it has to be discarded? If this eventually happens-and I have... good reasons for thinking that it must-we have nothing to regret and certainly nothing to fear. (Clarke, 1984, p. 243)The thesis of GOFAI... is not that the processes underlying intelligence can be described symbolically... but that they are symbolic. (Haugeland, 1985, p. 113)14) Artificial Intelligence Provides a Useful Approach to Psychological and Psychiatric Theory FormationIt is all very well formulating psychological and psychiatric theories verbally but, when using natural language (even technical jargon), it is difficult to recognise when a theory is complete; oversights are all too easily made, gaps too readily left. This is a point which is generally recognised to be true and it is for precisely this reason that the behavioural sciences attempt to follow the natural sciences in using "classical" mathematics as a more rigorous descriptive language. However, it is an unfortunate fact that, with a few notable exceptions, there has been a marked lack of success in this application. It is my belief that a different approach-a different mathematics-is needed, and that AI provides just this approach. (Hand, quoted in Hand, 1985, pp. 6-7)We might distinguish among four kinds of AI.Research of this kind involves building and programming computers to perform tasks which, to paraphrase Marvin Minsky, would require intelligence if they were done by us. Researchers in nonpsychological AI make no claims whatsoever about the psychological realism of their programs or the devices they build, that is, about whether or not computers perform tasks as humans do.Research here is guided by the view that the computer is a useful tool in the study of mind. In particular, we can write computer programs or build devices that simulate alleged psychological processes in humans and then test our predictions about how the alleged processes work. We can weave these programs and devices together with other programs and devices that simulate different alleged mental processes and thereby test the degree to which the AI system as a whole simulates human mentality. According to weak psychological AI, working with computer models is a way of refining and testing hypotheses about processes that are allegedly realized in human minds.... According to this view, our minds are computers and therefore can be duplicated by other computers. Sherry Turkle writes that the "real ambition is of mythic proportions, making a general purpose intelligence, a mind." (Turkle, 1984, p. 240) The authors of a major text announce that "the ultimate goal of AI research is to build a person or, more humbly, an animal." (Charniak & McDermott, 1985, p. 7)Research in this field, like strong psychological AI, takes seriously the functionalist view that mentality can be realized in many different types of physical devices. Suprapsychological AI, however, accuses strong psychological AI of being chauvinisticof being only interested in human intelligence! Suprapsychological AI claims to be interested in all the conceivable ways intelligence can be realized. (Flanagan, 1991, pp. 241-242)16) Determination of Relevance of Rules in Particular ContextsEven if the [rules] were stored in a context-free form the computer still couldn't use them. To do that the computer requires rules enabling it to draw on just those [ rules] which are relevant in each particular context. Determination of relevance will have to be based on further facts and rules, but the question will again arise as to which facts and rules are relevant for making each particular determination. One could always invoke further facts and rules to answer this question, but of course these must be only the relevant ones. And so it goes. It seems that AI workers will never be able to get started here unless they can settle the problem of relevance beforehand by cataloguing types of context and listing just those facts which are relevant in each. (Dreyfus & Dreyfus, 1986, p. 80)Perhaps the single most important idea to artificial intelligence is that there is no fundamental difference between form and content, that meaning can be captured in a set of symbols such as a semantic net. (G. Johnson, 1986, p. 250)Artificial intelligence is based on the assumption that the mind can be described as some kind of formal system manipulating symbols that stand for things in the world. Thus it doesn't matter what the brain is made of, or what it uses for tokens in the great game of thinking. Using an equivalent set of tokens and rules, we can do thinking with a digital computer, just as we can play chess using cups, salt and pepper shakers, knives, forks, and spoons. Using the right software, one system (the mind) can be mapped into the other (the computer). (G. Johnson, 1986, p. 250)19) A Statement of the Primary and Secondary Purposes of Artificial IntelligenceThe primary goal of Artificial Intelligence is to make machines smarter.The secondary goals of Artificial Intelligence are to understand what intelligence is (the Nobel laureate purpose) and to make machines more useful (the entrepreneurial purpose). (Winston, 1987, p. 1)The theoretical ideas of older branches of engineering are captured in the language of mathematics. We contend that mathematical logic provides the basis for theory in AI. Although many computer scientists already count logic as fundamental to computer science in general, we put forward an even stronger form of the logic-is-important argument....AI deals mainly with the problem of representing and using declarative (as opposed to procedural) knowledge. Declarative knowledge is the kind that is expressed as sentences, and AI needs a language in which to state these sentences. Because the languages in which this knowledge usually is originally captured (natural languages such as English) are not suitable for computer representations, some other language with the appropriate properties must be used. It turns out, we think, that the appropriate properties include at least those that have been uppermost in the minds of logicians in their development of logical languages such as the predicate calculus. Thus, we think that any language for expressing knowledge in AI systems must be at least as expressive as the first-order predicate calculus. (Genesereth & Nilsson, 1987, p. viii)21) Perceptual Structures Can Be Represented as Lists of Elementary PropositionsIn artificial intelligence studies, perceptual structures are represented as assemblages of description lists, the elementary components of which are propositions asserting that certain relations hold among elements. (Chase & Simon, 1988, p. 490)Artificial intelligence (AI) is sometimes defined as the study of how to build and/or program computers to enable them to do the sorts of things that minds can do. Some of these things are commonly regarded as requiring intelligence: offering a medical diagnosis and/or prescription, giving legal or scientific advice, proving theorems in logic or mathematics. Others are not, because they can be done by all normal adults irrespective of educational background (and sometimes by non-human animals too), and typically involve no conscious control: seeing things in sunlight and shadows, finding a path through cluttered terrain, fitting pegs into holes, speaking one's own native tongue, and using one's common sense. Because it covers AI research dealing with both these classes of mental capacity, this definition is preferable to one describing AI as making computers do "things that would require intelligence if done by people." However, it presupposes that computers could do what minds can do, that they might really diagnose, advise, infer, and understand. One could avoid this problematic assumption (and also side-step questions about whether computers do things in the same way as we do) by defining AI instead as "the development of computers whose observable performance has features which in humans we would attribute to mental processes." This bland characterization would be acceptable to some AI workers, especially amongst those focusing on the production of technological tools for commercial purposes. But many others would favour a more controversial definition, seeing AI as the science of intelligence in general-or, more accurately, as the intellectual core of cognitive science. As such, its goal is to provide a systematic theory that can explain (and perhaps enable us to replicate) both the general categories of intentionality and the diverse psychological capacities grounded in them. (Boden, 1990b, pp. 1-2)Because the ability to store data somewhat corresponds to what we call memory in human beings, and because the ability to follow logical procedures somewhat corresponds to what we call reasoning in human beings, many members of the cult have concluded that what computers do somewhat corresponds to what we call thinking. It is no great difficulty to persuade the general public of that conclusion since computers process data very fast in small spaces well below the level of visibility; they do not look like other machines when they are at work. They seem to be running along as smoothly and silently as the brain does when it remembers and reasons and thinks. On the other hand, those who design and build computers know exactly how the machines are working down in the hidden depths of their semiconductors. Computers can be taken apart, scrutinized, and put back together. Their activities can be tracked, analyzed, measured, and thus clearly understood-which is far from possible with the brain. This gives rise to the tempting assumption on the part of the builders and designers that computers can tell us something about brains, indeed, that the computer can serve as a model of the mind, which then comes to be seen as some manner of information processing machine, and possibly not as good at the job as the machine. (Roszak, 1994, pp. xiv-xv)The inner workings of the human mind are far more intricate than the most complicated systems of modern technology. Researchers in the field of artificial intelligence have been attempting to develop programs that will enable computers to display intelligent behavior. Although this field has been an active one for more than thirty-five years and has had many notable successes, AI researchers still do not know how to create a program that matches human intelligence. No existing program can recall facts, solve problems, reason, learn, and process language with human facility. This lack of success has occurred not because computers are inferior to human brains but rather because we do not yet know in sufficient detail how intelligence is organized in the brain. (Anderson, 1995, p. 2)Historical dictionary of quotations in cognitive science > Artificial Intelligence
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