【单选题】电流互感器二次绕组匝数比一次绕组匝数( ),流过的电流( )。
【单选题】3 电流互感器一次绕组的匝数较( ),( )于电路中,二次绕组的匝数较( )。
【简答题】林黛玉前身是西方灵河岸边一棵绛珠草,被赤霞宫( )以甘露灌溉,修成个女儿身。
【单选题】How was the productive power of labor most increased?
A.
by the division of labor
B.
by the creation of relevant government policies
C.
by the expansion of international trade
D.
by the introduciton of new technologies
【简答题】电流互感器一次绕组的匝数 (多、少),二次绕组的匝数 (多、少)。
【单选题】There is _____ with him. [ ]
【单选题】公元前 140 年,( )即位,把开始的第一年定为建元元年,“建元”是中国历史上第一个帝王年号。