auxiliary diagonal

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• auxiliary rafter — 1. a rafter reinforcing a principal rafter. 2. a rafter reinforcing a diagonal member of a queen post truss. Also called cushion rafter. * * * …   Universalium

• auxiliary rafter — noun : a rafter used to strengthen the principal rafter in a truss * * * 1. a rafter reinforcing a principal rafter. 2. a rafter reinforcing a diagonal member of a queen post truss. Also called cushion rafter …   Useful english dictionary

• mathematics — /math euh mat iks/, n. 1. (used with a sing. v.) the systematic treatment of magnitude, relationships between figures and forms, and relations between quantities expressed symbolically. 2. (used with a sing. or pl. v.) mathematical procedures,… …   Universalium

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• Special unitary group — In mathematics, the special unitary group of degree n , denoted SU( n ), is the group of n times; n unitary matrices with determinant 1. The group operation is that of matrix multiplication. The special unitary group is a subgroup of the unitary… …   Wikipedia

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