The weakly graded periodic radical concept for general group graded rings is established, the fact that it is a graded special radical is proved and its graded module characterization is presented.
对一般群分次环建立了弱分次周期根的概念，证明它是一个分次特殊根，给出了它的分次模刻划，讨论了它与自反周期根的关系。
There's a long road to establish the PE courses module system, graded teaching and flexible elective system.
体育课程模块设计、分级教学、弹性选修都有待建立和完善。
The model of optimum design is introduced. The design objective of minimizing volume and module simultaneously are adopted, and a graded optimum strategy is presented.
介绍了优化设计模型，采用体积和模数同时极小化的设计目标，提出了分层优化策略；
Next, the concept of graded semiflat module is introduced and proved that K is a group-graded weakly regular ring if and only if all right K-module is graded semiflat module.
再者，引进了分次半平坦模的概念，并有如下主要结果：环K是分次弱正则的当且仅当所有右K-模是分次半平坦的。
The function of the first module is data maintenance and management, and in the second one actual metallographic photos can be graded according to the standard metallographic photos.
通过加热炉运行参数及炉管数据模块实现对相关数据的维护与管理；在金相组织图谱模块中根据相应材料的标准组织图谱对实际金相图谱进行组织劣化等级评定；
The function of the first module is data maintenance and management, and in the second one actual metallographic photos can be graded according to the standard metallographic photos.
通过加热炉运行参数及炉管数据模块实现对相关数据的维护与管理；在金相组织图谱模块中根据相应材料的标准组织图谱对实际金相图谱进行组织劣化等级评定；
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