运放的输入失调电压VIO是两输入端电位之差。( )
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According to the last paragraph, tissues' lower exposure to alcohol
A. reduces the risk of laryngeal cancer
B. explains why inflammation triggers cancer
C. accounts for why food can cover digestive-tract tissues
D. is the reason why food can take alcohol off them
因为串联型稳压电路中引入了深度负反馈,因此也可能产生自激振荡。( )