对于正序的对称三相电源，已知<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/d469ef1a00bf4a7b9f72206db92b2722.png" />则（）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f46f01b8a0944bf5b97b3085df4963af.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/bdc84f660db9480893ab3eb3df8c9174.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/2419acedbbc14be7b11bb6e2cb005039.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/6fabd0d71b0344b68b86a539fd0e0c9e.png" />

2022-06-16

对于正序的对称三相电源，已知<img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/d469ef1a00bf4a7b9f72206db92b2722.png" />则（）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f46f01b8a0944bf5b97b3085df4963af.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/bdc84f660db9480893ab3eb3df8c9174.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/2419acedbbc14be7b11bb6e2cb005039.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/6fabd0d71b0344b68b86a539fd0e0c9e.png" />

对于正序的对称三相电源，已知

则（）。
A:

B:

C:

D:

答案：

A,B,C,D

举一反三

内容

0
下列化合物中含3种类型氢原子的是（）。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/7501f28545d94abe93cc62a510d76202.png"> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/dbf39be2e5974ed597f63245ce9e4063.png"> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/e863133a5b2f4b29b478a3853caac387.png"> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/fc4a3af44fcc472fab648697e261af14.png">
1
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2
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3
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4
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