判断题

25.相邻的两个封闭线框，表示物体上位置不同的两个面。
正确
错误

【参考答案】

正确

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热门试题

未分类题

已知电容C1=250μF 450V，C2=50μF 250V，试分别求其并联和串联使用时的等效电容和工作电压。

多项选择题

In the Xia, Shang and Zhou dynasties, China entered the Bronze Age, and the Bronze Age initially possessed the characteristics of sculpture art. It used ( ), ( ) and ( ) ornaments to render the majestic and mysterious atmosphere, which reflected the aesthetic views of people in the Shang and Zhou dynasties. Such as tripod is a typical sculpture in this period. A、exaggeration B、euphemism C、deformation D、strange

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