原子核形变证实壳层结构。

Nuclear deformations confirm shell structure.

youdao

应用有限元方法计算静水压力变化下几种橡胶吸声结构的形变和吸声性能。

Study on sound absorption and insulation of gypsum board structure and its application;

youdao

应用有限元方法计算静水压力变化下几种橡胶吸声结构的形变和吸声性能。

Study on sound absorption and insulation of gypsum board structure and its application;

youdao