此文根据非稳定热传导基本方程式积分得到离散化方程式，编写出计算程序。
This paper gets discretization equation by integrating the basic equation of unsteady heat conduction and writes a calculating program.
本文对球面型超声波电动机的工作原理、基本结构、基本方程式进行了讨论。
The working principle, basic structure and basic equation to the spherical ultrasonic motor are discussed in the paper.
基于两相流体动力学的理论，建立空蚀射流切割装置中短管内的压力变化梯度的基本方程式；
Based on the theory of two-phase flow, the equation of the pressure gradient is found for the short pipe in cavitation jet cutting set.
文中给出了这类网架结构拟板的基本方程式、弯曲刚度和剪切刚度的表达式以及由拟板内力换算成网架构件内力的一般计算公式。
The differential equation, the expressions for bending stiffness and shear stiffness of such space truss, as well as the formulas for calculating internal forces of its members are given.
从基本特征方程式出发，理论上导出了两组非耦合的求解截止频率的方程式；
Based on the basic characteristic equation, two uncoupled equations for cutoff frequencies were obtained theoretically.
从基本特征方程式出发，理论上导出了两组非耦合的求解截止频率的方程式；
Based on the basic characteristic equation, two uncoupled equations for cutoff frequencies were obtained theoretically.
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