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Based on the equivalent circuit, the resonance frequency equation is derived and the expression of the resonance frequency is obtained.

在此基础上，得出了振子空载时共振频率方程和振子共振频率的表达式。

Based on nonlinear integral equation,the inversion equation is derived by using the variational principle.

该方法基于非线性积分方程，利用变分方法来建立反演方程。

Two integral equations are derived from the equation of conservation of current.

从电流守恒条件出发，得到了两个积分方程。

The mass transfer equation was derived on the basis of the pore flow theory.

从孔道流理论出发，推导了均质膜的传质方程。

The dynamic load sharing property model is built, and the motion differential equation is derived.

采用傅立叶法求解得到了系统的动载系数和动力学载荷分布不均匀系数。

Based on the M/S equation for iron magnetic materials, the magnetic memory equation is derived.

依据铁磁材料的磁致伸缩方程，推导出磁记忆方程，并进一步解释了磁记忆效应，阐明了应力与地磁场的作用。

Conversion relationships among different ozone dimensions were derived based on gas equation of state.

由于这些不同量纲的臭氧量的同时存在，对大气臭氧的使用和相互比较造成混乱和不便。

The visco-elastic constitutive equation is derived from the regressed creep equations in this paper.

本文在回归公式的基础上推导出粘弹性变形本构方程。

By use of dynamic wave equation,the general slope flow equation is derived by matrix theory.

采用运动波方程，用矩阵理论推导出坡面流的一般方程，结合森林生态系统的功能，分析了坡面流的局部损失和总阻力，为研究森林控制非点源污染输移提供了理论依据。

Derived from energy equation and R.

从能量守恒的角度，运用R。

Sunday we are driving back to Missisauga to look at houses.

星期天再回Missisauga市去看房子。

Mary says that Betty is jealous , but Mary is more jealous herself.

玛丽说贝蒂爱嫉妒，其实玛丽更爱嫉妒。