A、A
B、B
C、C
D、D
更多“ 对于<img src="https://nimg.ppkao.com/2018-08/zhangxu/2018082110400675810.jpg?sign=bccdeda5d88851aa170109cabb95b941&t=62d133cf" />的电力系统，同一地点发生三相金属性短路、两相金属性短路、两相金属性短路接地和单相金属性接地短路时，短路点的负序电流大小关系是（）<br /> <img src="https://nimg.ppkao.com/2018-08/zhangxu/2018082110405229226.jpg?sign=51bf0fc744114736552e07336d9b785d&t=62d133cf" />”相关的问题
A、A.<img src="https://img.ppkao.com/2017-12/zhangyijie/2017121110262823375.jpg" />
B.<img src="https://img.ppkao.com/2017-12/zhangyijie/2017121110263198506.jpg" />
C.<img src="https://img.ppkao.com/2017-12/zhangyijie/2017121110263591034.jpg" />
D.<img src="https://img.ppkao.com/2017-12/zhangyijie/2017121110263838336.jpg" />
A、A.<img src="https://img.ppkao.com/2019-04/xiaotian/2019042817170370385.jpg" />
B.<img src="https://img.ppkao.com/2019-04/xiaotian/2019042817170765762.jpg" />
C.<img src="https://img.ppkao.com/2019-04/xiaotian/2019042817171081633.jpg" />
D.<img src="https://img.ppkao.com/2019-04/xiaotian/2019042817171338858.jpg" />
A、A.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />三态，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />低电平
B.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />三态，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
C.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />高电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
D.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />高电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
A、A.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716370781231.jpg" />不变，<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716372262539.jpg" />增大
B.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716370781231.jpg" />减小，<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716372262539.jpg" />不变
C.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716370781231.jpg" />减小，<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716372262539.jpg" />增大
D.<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716370781231.jpg" />增大，<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120716372262539.jpg" />减小
A、A.<img src="https://img.ppkao.com/2018-04/zhouyun/20180412175605391.jpg" />
B.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041217562114745.jpg" />
C.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041217562651092.jpg" />
D.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041217562929580.jpg" />
E.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041217563332745.jpg" />
A、A.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516571386102.jpg" /><img src="https://img.ppkao.com/2018-08/chenfang/2018081516572558372.jpg" />
B.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516572062708.jpg" />
C.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516572915872.jpg" />
D.<img src="https://img.ppkao.com/2018-08/chenfang/2018081516573482159.jpg" />
A、A.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116564316705.jpg" />
B.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116564929545.jpg" />
C.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116565492959.jpg" />
D.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116570158166.jpg" />
E.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116570766172.jpg" />
F.<img src="https://img.ppkao.com/2018-08/longzhengxuan/2018080116571469081.jpg" />
A、设总体<img src="https://img.ppkao.com/2019-04/wuacheng/2019041516264647619.jpg" />是来自X的样本，求m，p的矩估计量（对于具体样本值，若求得的<img src="https://img.ppkao.com/2019-04/wuacheng/2019041516271083671.jpg" />不是整数，则取与<img src="https://img.ppkao.com/2019-04/wuacheng/2019041516274483684.jpg" />最接近的整数作为m的估计值）。
A、A.<img src="https://img.ppkao.com/2017-07/wumeiyan/2017073014281280624.jpg" />
B.<img src="https://img.ppkao.com/2017-07/wumeiyan/2017073014281819043.jpg" />
C.<img src="https://img.ppkao.com/2017-07/wumeiyan/2017073014282618868.jpg" />
D.<img src="https://img.ppkao.com/2017-07/wumeiyan/2017073014283326403.jpg" />
A、A.<img src="https://img.ppkao.com/2018-09/zenglei/2018092911015090840.jpg" />
B.<img src="https://img.ppkao.com/2018-09/zenglei/2018092911020511940.jpg" />
C.<img src="https://img.ppkao.com/2018-09/zenglei/2018092911020978687.jpg" />
D.<img src="https://img.ppkao.com/2018-09/zenglei/201809291102144859.jpg" />
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