题目内容

无论截平面处于何种位置,它和圆球的截交线总是圆。

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用换面法可以求出一般位置平面的实形和倾角。

6. Among all the benefits, the most important one is BYOD has great impact on ________________.

According to Kissinger, misunderstandings between countries usually originate from different historical and/or cultural backgrounds.

水草景观正常情况下不需要换水。

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