... 环测度 ring measure 环乘法 ring multiplication 环单位元(素) unit element of ring ...
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环乘法单位元 unity
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先构造交换半环关于其乘法封闭子集的分式半环;
First, semi ring of fractions of a semi ring about a multiplicative closed subset in it is constructed.
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目的研究一类重要的幂等元半环,即乘法带半环。
Aim To study a very important class of idempotent semiring, so-called multiplicative band semirings.
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