正面 | 1819.combination 英 [kɒmbɪ'neɪʃ(ə)n]美 [,kɑmbɪ'neʃən] ![]() ![]() ![]() ![]() |
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背面 | ![]() ![]() ![]() ![]() ![]() 释义: 在数学的排列与组合中用 A 代表 Arrangement 表示“排列”(在旧教材为 P -> Permutation),用 C 代表 Combination 表示“组合”,所以如果你还记得排列与组合的计算公式的话,就一目了然了。n. 结合;组合;联合;[化学] 化合 例句: 1. You can cobble it together from any old combination of garments.把以前的衣服随便搭配一下就能拼凑出一套。 combination (n.)late 14c., combinacyoun, from Old French combination (14c., Modern French combinaison), from Late Latin combinationem (nominative combinatio) "a joining two by two," noun of action from past participle stem of combinare (see combine (v.))." |
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