A new tuning method which based on gain margin and phase margin is showed. And the stability of the controller is discussed.
介绍了基于增益裕度和相位裕度的整定方法，同时对其稳定性进行了讨论。
Conclusions Waterlase can achieve stability of gingival margin and gain normal periodontal attachment faster in crown lengthening surgery in aesthetic area.
结论水激光在美容区牙冠延长术中能较快获得龈缘的稳定性以及正常的牙周附着。
Conclusions Waterlase can achieve stability of gingival margin and gain normal periodontal attachment faster in crown lengthening surgery in aesthetic area.
结论水激光在美容区牙冠延长术中能较快获得龈缘的稳定性以及正常的牙周附着。
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