市郊客流图的编制方法与管内客流图的编制方法不一样。
参考答案:错
Which of the following statements is NOT true of nuclear plants in Britain
A.They have caused a series of power failures recently.
B.They have betrayed trust of the general public.
C.They need improvement in management.
D.They demand promotion of security awareness.
当一个线圈中的电流发生变化而在另一个线圈中产生感应电动势的现象叫()。