两波相遇产生的现象叫（）。
A、波的干涉
B、光波
C、波动
D、波峰
参考答案：A
________of being involved in the attempted murder, she was questioned by the police.[ ]
A. Convinced
B. Suspected
C. Charged
D. Confirmed
数控机床在维修过程中应注意哪些事项？
