描述
比例度P值变化的影响，比例度越大，说明比例作用越弱，使过渡过程曲线变化缓慢；振荡周期加长；衰减比变大。因此在有干扰或改变给定值使曲线恢复缓慢时，可将比例度P值变小。
DENTALEZ DENTAL X RAY SYSTEM HDX ,USED & OPERATIONAL
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SPECIMEX DC X-ray System Government Surplus Shipped!!
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