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集成运算放大器是一种采用( )耦合方式的放大电路,为了减少放大电路的零点漂移,第一级常采用差分放大电路。对于差分放大电路,对于共模信号有( )作用,对差模信号有( )作用。
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【简答题】Come to Austria! Soll is a village in the mountains in western Austria. And the Post Hotel is clean and inexpensive. It is opened by a local family. From the hotel you can see the whole village, t...
【单选题】— Do you know the boy ______ is sitting next to Peter? — Yes. He is Peter's friend. They are celebrating his ______ birthday. [ ]
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who, ninth
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that, nineth C, /, nineth D. which, ninth
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【简答题】Come to Austria! Soll is a village in the mountains in western Austria, and the Hotel, opened by a local family, is clean and not expensive. From the hotel you can see the whole village, the fores...
【简答题】Come to Austria(奥地利) Soll is a village in the mountains in western Austria. And the Post Hotel is clean and not expensive. It is opened by a local family. From the hotel you can see the whole vill...
【单选题】—Do you know the boy ________ is sitting next to Peter? —Yes.He is Peter's friend.
A.
whom
B.
who
C.
which
D.
/
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