讨论了一种可用于旋转叶片的动力吸振器基本原理和动态特性。
The mechanism and dynamic characteristics of a dynamic vibration absorber used in rotating blades are discussed.
所以改进钻机底座的设计或对现役钻机底座进行动力修改以改善其动态特性，很有必要。
Thus, it's necessary to improve the design of rig substructure or better the dynamic characteristic of substructure that is being used by dynamic modification.
全液压动力制动系统动态特性直接关系到车辆的行驶安全性能。
The dynamic characteristics of fully hydraulic power braking system are directly related to the safe travel performances of vehicles.
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