题目内容

Fill in the blanks according to the micro-lecture.Su Bingtian, bornonAugust 29, 1989 in_City, Guangdong Province, is a_on the Chinese men's track and field team.

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Fill in the blanks according to the micro-lecture.On May 31,_Su Bingtian finished third in the men's 100m race at the IAAF Diamond League USA Eugene with a time of S, breaking the ten-second mark and becoming the fastest yellow race to run.

简单电容滞后补偿的代价是放大电路的带宽变窄。

A. 对
B. 错

阻容耦合放大电路在引入负反馈后，只可能出现低频自激振荡，不可能出现高频自激振荡。

A. 对
B. 错

既然有的负反馈放大电路能够产生自激振荡，那就可以用它们作信号源。

A. 对
B. 错