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【多选题】
n位权电阻D/A 转换器需要( )种不同阻值的电阻,N位R—2R倒T型D/A 转换器需要( )种不同阻值的电阻。A.
n
B.
2n
C.
2
D.
4
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【简答题】完形填空 Miracles（奇迹）will happen if you don't give up trying. Even if you have 1 for one hundred times, you may succeed when you try for the 10lst time. When I was born, my doctor told my mother that ther...
【简答题】Miracles（奇迹）will happen if you don't give up trying. Even if you have 16 for one hundred times, you may succeed when you try for the 10lst time. When I was born, my doctor told my mother that there wa...
【单选题】Even if you had not been able to see her, you ______ us.
A.
told
B.
had told
C.
should tell
D.
should have told
【简答题】the cost of taking on with an extra employee. But even if you are not able to ____
【简答题】Miracles（奇迹）will happen if you don’t give up trying. Even if you have 1 for one hundred times, you may succeed when you try for the 10lst time. When I was born, my doctor told my mother that there was...
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