题目: 电压互感器Y/y接线,Uu=Uv=Uw=57.7V,若V相极性接反,()。A.Uuv=Uvw=Uwu=100VB.Uuv=Uvw=Uwu=173VC.Uuv=Uvw=57.7V,Uwu=100VD.Uuv=Uvw=Uwu=57.7V 答案: 参考答案:C
题型:选择题 — “Will you go to Xiamen next week ” Tom asked.— Tom asked me ______ _____ _______ go to Xiamen ________.A.that; I ; would ; the next week.B.if ; you ; would ; the next weekC.if ; I; would; next weekD.if; I; would ; the next week 查看答案
题型:多项选择题 互调干扰的典型特征如下()A.主分集的RTWP一般不相关B.干扰与话务有一定的相关性C.RTWP波动幅度一般较大,波动幅度在10dB左右或比10dB更大D.干扰一旦出现则具有一定的持续时间,一般不会作突变性的变化E.从RTWP的时间特性上看,RTWP的变化一般无明显规律 查看答案