单词 | operation |
释义 | operation [´äp·ǝ`rā·shǝn] COMPUTER SCIENCE 1. A process or procedure that obtains a unique result from any permissible combination of operands. 2. The sequence of actions resulting from the execution of one digital computer instruction. INDUSTRIAL ENGINEERING A job, usually performed in one location, and consisting of one or more work elements. MATHEMATICS An operation of a group G on a set S is a mapping which associates to each ordered pair (g,s ), where g is in G and s is in S, another element in S, denoted gs, such that, for any g,h in G and s in S, (gh )s = g(hs ), and es = s, where e is the identity element of G. |
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