上图电路中,A点输出为____,通过整流电路后,B点输出____,闭合开关K,通过滤波电容C1后,U3输出____,接入稳压电路后,最终Uo输出____。[A、交流电压B、脉动的直流电压C、不稳定的直流电压D、稳定的直流电压]
查看答案
Who wasn't a real person?
A. Sherlock Holmes
B. Guy Fawkes
C. Dick Whittington
Who tried to blow up Parliament?
A. Sherlock Holmes
B. Guy Fawkes
C. Dick Whittington
Who has a festical named after him?
A. Sherlock Holmes
B. Guy Fawkes
C. Dick Whittington
Who came to London to get rich?
A. Sherlock Holmes
B. Guy Fawkes
C. Dick Whittington
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