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1 редко случаться
•Fire is of infrequent occurrence (or is rare, or rarely occurs) on the major deserts.
Русско-английский научно-технический словарь переводчика > редко случаться
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2 встречаться
(= встретиться, = стоять перед) be faced, occur, be found, be seen in, come across• Вышеуказанная методика встречается в приложениях... - The above procedure is encountered in applications...• Другой важный пример этого принципа встречается, когда... - Another important example of this principle occurs when...• К несчастью, встречаются случаи, когда... - Unfortunately there are occasions when...• К счастью, такие задачи встречаются редко. - Fortunately, such problems are rarely encountered.• Как мы увидим далее, исключение встречается, когда... - An exception occurs, as we shall see, when...• Мы часто будем встречаться с задачей (нахождения, определения и т. п.)... - We shall often be faced with the problem of...• Наиболее вероятно ошибки встречаются, когда... - Errors are more likely to occur when...• Подобные трудности часто встречаются на практике. - Such difficulties often arise in practice.• Такие явления часто встречаются на практике. - Such phenomena are frequently encountered in practice.• Такого сорта проблемы обычны на практике. - Problems of this type are common in practice.• Такого типа ошибки часто встречаются на практике. - These sorts of errors occur frequently in practice.• Читатель иногда может обнаружить, что встретился с... - The reader may occasionally find himself faced with...• Эта функция настолько часто встречается, что мы дадим ей специальное название. - This function is so common that we give it a special name, -
3 реже встречаться
•Aragonite is less common (or less abundant) [or occurs (or is encountered) more rarely] than calcite.
Русско-английский научно-технический словарь переводчика > реже встречаться
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4 местообитание
habitat, siteSix heathland sites were used in the present study. These included samples of all types of habitats occupied by wheatears (каменки, Aves), ranging from bare sand, through extremely short-cropped turf, to longer grass, sand sedge (Carex sp.) and heather (Calluna vulgaris) .There is a marked preference for nesting in abandoned caves, if available, and the highest breeding density are reached in areas with abundant caves. These caves offer constant moderate temperatures in aqenvironment characterized by thermal extremes .The boulder-fields are the preferred habitat of this bird species, which occurs only rarely above the Cave Sandstone belt .Birds are found from near sea-level to 1 500 m elevation, locally to 2 200 m. They are quite flexible in their habitat requirements. .Therefore, these birds avoid barren areas and, conversely, are locally quite common in cultivated valleys of the Elburz Range .конкуренция межвидовая из-за местообитание - interspecific competition for habitatперекрывание местообитание - у разных видовsymbiotopy, partial symbiotopyмежвидовые различия в местообитание - interspecific differences in habitat selectionместообитаний разрушение - habitat loss, habitat destructionHabitat loss does not immediately threaten an individual life, but its cessation does not allow a species until habitat is replaced. Speсies decline may occur with no habitat loss .Русско-английский словарь по этологии (поведению животных) > местообитание
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5 случаться
happen, occurIn may happen that the neighbouring male or an unpaired male from the floating population is carefully watching all such events.. Such a bird will try to seize the opportunity to approach the female at a moment when she is ready to copulate. .Some males who happen to be late arriving in spring are forced to make do with the territories of worse quality, i.e. small and devoid of large vertical surfaces .Much more rarely, another form of polygyny occurs – so-called polyterritorial polygyny .Русско-английский словарь по этологии (поведению животных) > случаться
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