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【多选题】
自然界物体具有如下()的电磁波能力 。A.
发射
B.
吸收
C.
反射
D.
折射
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【多选题】中性点不接地系统发生单相接地故障时，有下述特点（）。
A.
并未造成相间短路，故障电流的只是各元件对地分布电容中流过的电流，数值很小
B.
从接地点流回的总电流等于正常运行时三相对地电容电流的代数和
C.
故障线路的零序电流五次谐波分量的数值比非故障线路大
D.
三相之间的线电压仍是对称的
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