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它实际上是一差动放大器，其中感官都输入信号和反馈的差异。
It is actually a differential amplifier which senses both input signal and feedback differentially.
youdao
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它实际上是一差动放大器，其中感官都输入信号和反馈的差异。
It is actually a differential amplifier which senses both input signal and feedback differentially.
youdao