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【简答题】
DIP封装指的是( )封装,ZIF指的是( )的插座。
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反馈参考答案：
举一反三
【单选题】光栅传感器的工作原理, 是将被测物体的位移通过光栅转换成 的移动,再将条纹移动转换从电信号变化,从而检测直线位移或角位移。
A.
光线
B.
光栅尺
C.
莫尔条纹
D.
电信号
【单选题】光栅传感器的工作原理是将被测物体的位移通过光栅转换成()的移动,再将条纹移动转换从电信号变化,从而检测直线位移或角位移。
A.
光线
B.
莫尔条纹
C.
光栅尺
D.
电信号
【单选题】The first thing that ______ in his speech is that he didn’t put us in the picture at all about the war.
A.
stands by
B.
stands in
C.
stands out
D.
stands for
【简答题】阅读理解。 Jeff Green can not look after his things. Look, this is his room. He doesn't put his things away (收好) every day. Look at his desk. Many things are on it. They are notebooks, CDs, video tapes, pe...
【简答题】Translation : 他献身于教育事业。
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