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简述平面悬臂梁的有限单元法的步骤

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A. 秦
B. 汉
C. 唐
D. 明

（）保留了文字的体形

A. 楷书
B. 草书
C. 隶书
D. 小篆

许慎编书解释汉字时打上了当时的时代烙印（）

A. 对
B. 错