law of periodicity
英
美
网络 周期律
双语例句
- The motion law of unstable state process in periodicity force of different frequency is studied respectively, by means of the method of two same direction oscillation superposition, and by the fact that unstable state process of forced oscillation is composed of damped oscillation and constant amplitude oscillation.
根据受迫振动的暂态过程是由阻尼振动和等幅振动两部分组成，本文应用两个同方向振动合成的方法，分别研究了在强迫力不同频率情况下暂态过程的运动规律。