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【简答题】
下图所示的二极管检波电路，是差动变压器式传感器的一种测量电路。u 1 为差动变压器的输出电压，u 2 为与u 1 同频的参考电压，且u 2 u 1 。它们分别作用于检波电路的两个性能相同的变压器B 1 和B 2 ，得到u' 1 =u" 1 ，u' 2 =u" 2 ，B 1 和B 2 的同名端如图中所示。假设二极管性能相同且特性理想，试分析其工作原理。
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【简答题】Would you mind closing the window for me?
【单选题】—Would you mind _____ the window？It's hot in here. —No, please. —Would you mind _____ the window？It's hot in here. —I'd like to.
A.
your closing
B.
opening
C.
my closing
D.
my opening
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