对动态磁致伸缩过程进行分析，并建立了超磁致伸缩换能器的等效动力学模型。
Equivalent dynamic model of giant magnetostriction transducer is set by means of analyzing dynamic magnetostriction.
对影响压电堆作动器动态特性的因素进行了深入分析，建立了压电堆作动器的等效动力学模型。
A detailed discussion is given on the influencing factors of dynamics character of the piezoceramic-stacks actuator.
本文利用等效参数建立转向系统的数学模型进行动力学分析，确定转向时压力波动产生的原因和影响因素。
The dynamic analysis of the equivalent model was made, the reason and the impact factors of the pressure fluctuations were found.
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