提高异步机的效率可降低其转差率，从而改善系统动态频率特性的结论。
Conclusion is reached as: increasing the efficiency of asynchronous motor can recede its slip and improve dynamic frequency characteristics.
该电路结构简单，易于集成，具有功耗低、频率特性好、响应速度快、不降低电源系统的工作效率等优点。
It is easy to be integrated because of the simple structure and it owns excellent frequency response, low power dissipation.
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