dynamic balance
参考词典中dynamic balance的常规释义：
基本释义
- 动平衡，动态平衡，力平衡
英英解释
1个名词解释
- (aeronautics) the state of equilibrium in which centrifugal forces due to a rotating mass (e.g., a propeller) do not produce force in the shaft and so vibration is reduced
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