给出了液晶分子取向力矩平衡方程从理论上解释了这种现象。
By means of the equation and scheme of molecular reorientation, the pulsation feature of the diffraction beam was illustrated qualitatively.
本文从水量平衡及水泵机组力矩方程出发，建立起水泵从起动到同步的微分方程序。
The differential equation of pump station start-up transient is established and derived from discharge balance and moment equation of pump unit.
其次，分析了光开关微反射镜的反射特性，然后推导了归一化的光开关静电驱动结构力矩平衡特性方程。
Secondly, the reflective characteristic of micro mirror is analyzed. And then a normalized equation that governs the static characteristics of the electrostatic driving structure is derived.
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