[判断题]某试验采用正棒负板和负棒正板两种电极结构,测量发现正棒负板的电晕起始电压高于负棒正板,原因是正棒附近的正空间电荷会削弱局部电场。( )(每题 0.5分)
发布时间:2025-11-29
A.正确
B.错误(0.5)
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