反馈的最后一个代价就是可能会引入不稳定性。
The final cost of feedback is the introduction of the possibility of instability.
介绍一种用功率反馈来稳定微波输出功率的方法。
A power-feedback method to steady the microwave output power was introduced.
采用三状态反馈校正的方法使系统达到稳定。
Therefore three states feedback method is used such that the system is stable.
二是保证系统的稳定性，以免在声反馈严重时引起啸叫。
When feedback is serious, the sound-amplifying systems even can not work.
如果一个系统内部有一个正反馈过程，系统就会不稳定甚至自行崩溃。
A system is unstable and subject to breakdown if it evolves into a positive feedback.
至于正反馈，人们常常联系到不稳定。
As to positive feedback very often it would be related to instability.
至于正反馈，人们常常联系到不稳定。
As to positive feedback very often it would be related to instability.
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