... Communication Theory 传播理论 commutative group 变换群 Comparison between Bloom and Gagne布卢姆与加涅认知领域分类的比较 ...
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non-commutative group [数] 非交换群 ; 非可换群
torsion free commutative group 无扭交换群
a commutative group 是交换群
free commutative group 自由交换群
discrete commutative group 离散交换群
infinite commutative group 无限交换群
This paper has made some discussions on the finite commutative semigroup. The relationship between the finite commutative semigroup and the finite commutative group is established.
对有限可换半群进行了讨论，建立了有限可换半群与有限可换群之间的关系。
First, we give the definition of Lie color superalgebras using the symmetric bicharacter on a finite commutative group, and also we introduce some fundamental notions about Lie color superalgebras.
首先根据有限交换群上对称双特征标的概念，给出着色李超代数的定义，并介绍关于着色李超代数的一些基本概念与基础知识。
The braid group is infinite non-commutative group, and it has many hard problems that can be utilized to design cryptographic primitives, such as the word problem, conjugacy problem and root problem.
辫群是一种非交换的无限群，该群中有许多困难问题是不可解的，如字问题、共轭问题和根问题等，利用这些困难问题可以去设计一些密码协议。
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