在有限元法推导方程的过程中，考虑到拉索大变形的应变表达式，求得它的几何刚度矩阵和弹性刚度矩阵。

While deriving the finite element equation, get the cable's strain formula considering the big distortion, get its geometry rigidity matrix and elastic rigidity matrix.

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通过详细介绍传输线的高频率响应原理及其推导方程，以此为基础设计了基于频域反射的土壤水分探测传感器。

A new design of soil moisture sensor using frequency domain reflectometry technology is introduced by derivation of equation of high frequency response of transmission line.

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本文推导了拉维娜式行星齿轮变速器的运动特性方程。

This paper derives the motion property equation for Ravigneaux planetary transmission.

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And we can do that by going through and deriving What we'll call the fundamental equations of thermodynamics.

通过推导,所谓的,基本热力学方程可以做到这一点。

麻省理工公开课 - 热力学与动力学课程节选

In this case, V = /P. Have two quantities and the number of moles gives you another property. You don't need to know the volume. All you need to know is the pressure and temperature and the number of moles to get the volume.

以及气体的摩尔数,就可以得到第三个量,知道压强，温度和气体的,摩尔数就可以推导出气体的体积,这称为状态方程,它建立了状态函数之间的联系。

麻省理工公开课 - 热力学与动力学课程节选