... fluctuation of service 运行不稳定 fluctuation of speed 转速波动 fluctuation pressure 脉动压力 ...
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ratio of fluctuation of speed 转速波动率
coefficient of speed fluctuation 机械运转不均匀系数 ; 速度不均匀 ; [动力] 转速波动率 ; 机械运转不平均系数
rate of speed fluctuation 转速波动率
fluctuation of advance speed 进速变动
The microcomputer system exactly and rapidly shows the ratio of fluctuation of speed.
准确迅速地反应了发动机转速波动规律。
In order to have a reliable operation, must reduce the speed fluctuation, namely must effectively restrain the load torque ripple and motor electromagnetic torque ripple of speed fluctuation bring.
为了可靠运行，必须降低转速的波动，即必须有效抑制负载转矩脉动和电机电磁转矩脉动带来的转速波动。
The performance of high speed rolling bearing was studied under unstable conditions of rotation speed fluctuation, and the failure modes of the bearing were analyzed under such conditions.
分析了高速滚动轴承在转速波动这一非平稳状态下的运行状态，研究了转速波动对轴承运转性能和失效模式的影响。
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