... annual variation年变化；[天文学]年变 speed variation速率变化，变速 variation principle变分原理（用任意波函数计算出的能量，不可能小于体系真实的基态能量） ...
基于16个网页-相关网页
absolute speed variation 绝对转速变动
relative speed variation 转速变化率
tape speed variation 带速变化 ; 带速率变动
speed variation rate 速度变化率
speed variation test 这速试验 ; 变速试验
percentage speed variation 速度变化率
momentary speed variation ratio 瞬态转速变化率
emergency speed variation 事故速度变动率
One is efficiency with torque and rotational speed variation .
转速变化的趋势图和效率随转矩?。
This design principle and method can also be applied in rotating disk-shaped part processing machine with speed variation.
该设计原理与方法同样适用于其它具有转速变化的回转体盘形零件加工机器上。
A research is conducted on application of dynamic vibration absorber for controlling hoist motor vibration during its rotary speed variation.
针对起重机系统电机变速过程引发的振动问题，应用单个动力减振器进行控制。
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