词条„semidirect“在英语 » 德语中的译文

semidirect connecting ramp INFRASTR

专业词汇

semidirect connecting ramp

halbdirekte Verbindungsrampe

单语范例（未经PONS编辑处理）

英语

Given an action of one group scheme on another by automorphisms, one can form semidirect products by following the usual set-theoretic construction.

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More precisely, the collineation group is the projective semilinear group, which is the semidirect product of homographies by automorphic collineations.

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A semidirect product of and is obtained by relaxing the third condition, so that only one of the two subgroups is required to be normal.

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