The purpose of this paper is to generalize two supersolvability theorems obtained by LI De-yu and GUO Xiu-yun with respect to complemented subgroups of finite groups.

该文目的是推广由李德玉和郭秀云得到的有关可补子群的两个超可解性定理。

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Xu Xiu Zhen, disciple of famous Shao Xin opera actress Xu Yu Lan. Her teaching character is to combine the art of singing with performance.

著名越剧表演艺术家徐玉兰的得意门生许秀珍老师，形成教唱与表演相结合的教学特点。

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