Sum of any finitely many nil left ideals of A is also a nil left ideal of A.
的任意有限多个诣零左理想之和仍为A的诣零左理想；
In this paper, we define and study GR rings and finitely generated projective modules over them.
本文定义并研究了广义rigid环，并讨论了环上有限生成投射模的性质。
Thus some properties for temporal types are discussed, and the conception of the finitely determined set is proposed.
由此讨论了时态类型的一些特性，并提出了有限决定集的概念。
Generalized impedance boundary conditions are employed to simulate the effect of finitely conducting plane on the electromagnetic fields.
利用广义阻抗边界条件来模拟有限导电平面对电磁场的影响。
In this paper, we mainly study extensions of partial order and finitely totally order for partially ordered semirings, and obtain some new results.
本文主要研究了偏序半环的偏序扩张和有限全序扩张，并得到了一些新的结果。
The emergence of over-education not only wastes finitely educational resources, but also brings negative impacts on sustained, rapid economic growth.
过度教育的出现，不仅是对有限教育资源的浪费，也对社会经济的持续快速增长带来了负面影响。
A generalization of PF rings relative to commutative rings: rings all finitely generated projective modules with constant rank of which are free is defined.
对交换环定义了广义p F环的概念，即一切具有常数秩的有限生成投射模都为自由模的交换环。
In this paper, an analytical approach is described for the evaluation of the Hertz potential of a vertical magnetic dipole over the finitely conducting medium plane.
本文给出求解有限导电媒质平面上方垂直磁偶极源赫兹位函数的解析方法。
In this paper, some results on the superfluous subgroups of a finitely-generated infinite soluble group are obtained, which are the generalizations of the corresponding results of a finite group.
本文得到了有限生成的无限可解群的多余子群的一些结果，它们是有限群的某些相应结果的推广。
In this paper, some results on the superfluous subgroups of a finitely-generated infinite soluble group are obtained, which are the generalizations of the corresponding results of a finite group.
本文得到了有限生成的无限可解群的多余子群的一些结果，它们是有限群的某些相应结果的推广。
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