• adj. 交換的，交替的

com-, 強(qiáng)調(diào)。-mut, 改變，交換，詞源同move, mutable.

commutative (adj.)

1530s, from Medieval Latin commutativus, from Latin commutat-, past participle stem of commutare (see commute (v.)).

1. Multiplication of permutations , unlike multiplication of numbers, is not always commutative.

置換的乘法不同于數(shù)的乘法, 它并不一定滿(mǎn)足交換律.

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2. The central notion in commutative algebra is that of a prime ideal.

交換代數(shù)中最核心的概念就是素理想.

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3. It'should be clear that vector addition is commutative.

可清楚地看0劍0矢量加法滿(mǎn)足對(duì)易律.

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4. The groups of the solvable equations are commutative.

可解方程的群都是交換群.

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5. Basic properties of the dense sub - semigroups in commutative groups are studied.

引入了可換群的稠密子群,并研究了它的基本性質(zhì).

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