It is suitable for control weak voltage current signal in the frequency converter control loop.

主要用于变频器控制回路中微弱电压、电流信号的控制。

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The circuit of Photoelectricity Weak Signal Detection, preamplifier circuit, difference circuit, modulation circuit, optical source thermal control and current drive circuit etc. are designed.

设计实现了基于差分后谐波检测的微弱信号处理电路、前置放大电路、差分电路、调制电路和光源温度控制电路及电流驱动电路等。

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Analysis of current situation shows that weak awareness and lack of attention of internal accounting control makes the system a mere formality and can not play the role.

通过对高校内部会计控制现状入行剖析可以望出，高校因为内部会计控制意识淡漠，缺少对其应有的重视，致使现有的高校内部会计控制体系流于形式，无法施铺作用。

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