1) P-subdirect product
P-子直积
1.
By using P-subdirect product,rather than using induction and properties of the least right cancellative congruence on a left normal type A monoid,it is proved that P-subdirect product of right cancellative monoids and left normal bands that is a proper left normal type A monoid.
利用P-子直积以及左正规型A幺半群上的最小右可消同余的性质,证明了右可消幺半群和左正规带的P-子直积是一个真左正规型A幺半群;反之,真左正规型A幺半群可以分解成右可消幺半群和左正规带的P-子直积。
2) subdirect product
子直积
1.
To study the subdirect product of regular *-semigroups,to introduce the concept of pure covers of regular *-semigroups and to obtain pure cover theorem of regular *-semigroups in terms of subdirect product of regular *-semigroups,these results enrich that of pure cover on some semigroups.
对正则*-半群的子直积的研究中,引入了正则*-半群的纯覆盖的概念,借助于正则*-半群的子直积得到正则*-半群的纯覆盖定理。
2.
In this paper,a construction of all subdirect products of regular *-semigroups is obtained.
给出正则*-半群的子直积的构造。
3.
In section 3, a construction of all subdirect products of regular *- semigroups.
第三节给出正则~*-半群的子直积的构造。
3) factor of direct product
直积因子
4) p-p stacking
p-p-堆积
5) p-p stackings
p-p堆积
6) The direct product of fuzzy Subgroups
Fuzzy子群的直积
补充资料：无直
1.不正。 2.犹言没有钱。
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