题目内容

质量、弹簧、阻尼系统构成的惯性式位移传感器的工作频率应远小于其固有频率。

A. 对
B. 错

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电动式激振器和电液式激振器常用于接触激振场合，电磁式激振器常用于非接触激振场合。

A. 对
B. 错

G: Waiter.W: (1)G: This coffee is too weak.W: I’m sorry, madam.(2)Is everything all right?G: No, this fish was recommended. but it is not fresh.W:(3)This is quite unusual as we have fresh fish from the market every day.G: Who knows? It is not fresh and I am not happy about it.W: I'm terribly sorry, madam. I'll look into the matter.(4)That would be our treat, of course.G: It is very kind of you, but I suffered too much here. All that I need is fresh and healthy food. I don't want to trouble anyone. No more, thanks.W: Just feel ease, madam. Please give us another chance.(5)G: I hope so.W: Thank you very much, madam.A. I'm sure everything will be all right again the next time you come.B.I'll get you another one.C.Oh! Sorry to hear that.D.Yes, madam?E.I can give you something replaced, if you’d like a change.

DMA方式的全称叫做_____________________。

常见的DMA传送方式有三种：_______方式、_方式、_________方式。