商榷 discuss; deliberate; counsel; consult 經(jīng)過短時間的商榷 after a brief consultation; 這一點值得商榷。 this is open to discussion. 提出幾點意見, 與諸位商榷。 here are a few points i wish to discuss with you
商圈 cbd; primary trading area; secondary trading area
Some properties of rough invariant subgroups and rough quotient groups 粗糙不變子群的若干性質(zhì)與粗糙商群
Congruence relation and quotient group 同余關(guān)系與商群
And , isomorphism andf homomorphism issues between the quotient groups determined by yough normal subgroups are further discussed 并討論了由粗正規(guī)子群決定的商群之間的同構(gòu)和同態(tài)問題。
This paper discusses the application of rough set theory on algebra system - group , introduces such concepts as the lower and upper approximation on group and on group of quotient , points out and gives proof of several related properties 摘要通過討論粗糙集理論在代數(shù)系統(tǒng)群上的應(yīng)用,引入了群中的上、下近似和商群中的上、下近似等概念,提出并證明了與此相關(guān)的性質(zhì)。
百科解釋
在數(shù)學中,給定一個群 G 和 G 的正規(guī)子群 N,G 在 N 上的商群或因子群,在直覺上是把正規(guī)子群 N“萎縮”為單位元的群。商群寫為 G/N 并念作 G mod N (mod 是模的簡寫)。