查询词典 equivalent equation

To be the heart of the dissertation, the fundamental coupling equations of multi-conductor system with both parallel and cross conductors existed are drawn by using secondary field theory. In addition to the strict solution, a kind of approximate solution, namely, equivalent transmission line equation is presented.

作为本论文的核心，重点研究了地下存在受扰多导体时地下场的分布情况，利用二次场的方法，得到了地下平行、交越多导体系统的基本耦合方程，除给出该方程的严格解外，还给出了一种近似解法——等效传输线方程解法。

The system with the Bouc-Wen hysteretic force is converted into an equivalent non-hysteretic nonlinear stochastic control system. Then an It stochastic differential equation for total energy is derived by using the stochastic averaging method.

先将该系统变换成等价的非迟滞的非线性随机控制系统，再运用随机平均法导出关於能量的It随机微分方程。

A set of mathematical expressions are derived including geometrical matrix,stress matrix,stiffness matrix of weak plane element,equation of equivalent nodol load caused by unit initial stress in element.

文中推导了弱面单位的几何矩阵~6，应力矩阵~6，刚度矩阵~6以及单元初应力引起的等效结点荷载{P}等计算公式。它们有别于一般文献所列算式。

In this paper, we first analyze the mechanism of action potential propagated alongan unmyelinated fiber, and present a hypothesis that the velocity of transmembranecurrent is the equivalent of the propagation velocity of action potential. Then usingthe H-H model and the cable equation we obtain the formula of the velocity. Insuccession, we apply a similar method to analyze the mechanism of action potentialpropagated along a myelinated fiber. Using the McNeal model and the CRRSS model,we obtain the formula of the velocity.

接下来，应用与无髓鞘神经纤维相类似的方法，分析了动作电位在有髓鞘神经纤维上的传递机制，同样得出了可用跨膜电流的移动速度来等效动作电位传递速度的结论，利用 McNeal 模型和 CRRSS 模型，建立了有髓神经纤维在兴奋传递期间等效电路模型，并推导出了速度的计算模型。

The principle of extrafocal radiation could be used for the calculation of monitor unit. An equation,, is derived to calculate the equivalent field size of a rectangular field, where k is the geometric weighting factor.

计算监控单位可利用非射源产生之辐射的原理，导出公式并接著加以计算，公式中K值为几何比重因子，Varian 21EX直线加速器为1.49。

A special field equation with of Faddeev model is solved. The analytical solutions with time variable of Faddeev model are obtained by utilizing the result that the SO (3) Faddeev model is equivalent to the mesonic sector of SU (2) Skyrme model where baryon number current vanishes everywhere.

对Faddeev模型的一种特殊情况的场方程进行了求解，同时采用SO(3)Faddeev模型等效于SU(2)Skyrme模型的重子数为零的介子区域的结果，得到了此种情况下Faddeev模型的一类精确含时解析解。

A mathematical model of oil and water two-phase non-Darcy fluid flow in the direction of normal of the ellipses with initial pressure gradient is taken into account, which is a nonlinear equation with moving boundary and is established according to concepts of perturbable ellipses and equivalent developing regulations.

基于扰动椭圆的概念和等价的发展矩形的思想，建立了具有启动压力梯度的油水两相非达西椭圆二维渗流数学模型。

This made it possible for the forward problems in inverse problems to be solved by analytical method instead of numerical method. The new equivalent source method is over ten times rapider than the volumetric integral equation method.

这一方法使得电磁场正问题的求解由一般的数值方法计算改进为用解析法求解，使缺陷的重构速度比用体积分方程法提高十倍以上。

On the basis of the equivalent mechanism of swinging movable teethed transmission-crank-rocker mechanism, the tooth profile equation of central gear was derived by the use of complex numbered vector method.

基于摆动活齿传动的等效机构－曲柄摇杆机构，利用复数矢量法，导出了中心轮的齿廓方程。

According to the stress-strain curve equation of concrete compression, we simplified the rectangle stress graph of the stress on the area of its bending cross-section in this paper. A general formula for the height of equivalent compression stress block and the stress strength formula were deducted.

根据混凝土受压应力－应变关系的常用曲线方程，对受弯截面压区混凝土应力进行了矩形应力简化，推导得到了等效矩形应力图形高度及应力强度的一般公式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。