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若图形有一根对称轴,则图形对该轴以及任一与该轴正交的轴所组成的坐标系的惯性积()。

单选题
2022-01-17 14:01
A、等于零
B、不定
C、大于零
D、小于零
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正确答案
A

试题解析

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