电路如图所示。已知C=100pF,L=100μH,,电路消耗的功率P=100mW,试求电阻R和电压u(t)。
参考答案:
—What did he want to know,Anne?
—_____I could finish writing the report.[ ]
A.When it was that
B.It was when that
C.It was when
D.When was it that
由于安装和检修的需要,在尾水管直锥段里衬的上部开有进入门。