本文拟对后一类群作一较系统地刻划。我们先对该群类的极小反例的各种可能结构给以分析并确定，据此得出该群类的类似前二群类的一些性质。文?。

The purpose of this paper is to determine construction of groups with nilpotent derived group, and then to obtain some properties similar to the class of nilpotent and supersoluber groups.

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本文拟对后一类群作一较系统地刻划。我们先对该群类的极小反例的各种可能结构给以分析并确定，据此得出该群类的类似前二群类的一些性质。文?。

The purpose of this paper is to determine construction of groups with nilpotent derived group, and then to obtain some properties similar to the class of nilpotent and supersoluber groups.

youdao