abbr.gas-proof 不漏气的，防毒气的
Finally the connections of GPF rings and GPF modules is given.
最后,又给出了GPF环与第三章所讨论的GPF模之间的关系.
In this thesis, we mainly investigate radically prime decompositions of ideals, GPF modules and GPF rings.
本学位论文主要讨论理想的素根准分解, GPF模和GPF环.
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