This is what we now call the equation of continuity, one of the relationships necessary for the derivation of the wave equation.
这就是我们现在所说的连续性方程，推导波动方程的必要条件之一。
The paper presents a new method, based on the essence of continuity equation, to specify the BCs for pressure correction equation.
提出从连续性方程本质出发确定压力修正方程边界条件的新方法。
Because of the continuity of the flow, the stream function is introduced and it makes that the numbers of the fluid dynamical basic equation is cut off one.
由流动的连续性引进了流函数，使流体动力学基本方程的未知量的个数减少一个；
An extension of the continuity equation by a source term due to evaporation rates of salt seawater will help to understand hurricanes.
一次一个来源条件对连续性方程的扩展由于盐海水的蒸发比率将帮助理解飓风。
By substituting the principle of current continuity with charge conservation, the differential equation of charge accumulation model is built.
该理论以电荷守恒原理代替电流连续性原理，建立了电荷累积模型的微分方程。
The equations of continuity and quasi irrotationality are transformed into the potential stream function coordinates. Then a Laplace equation can be deduced for an aerodynamic parameter "q".
将改写后的无旋条件与连续方程联立求解，可在计算面上将叶型设计问题用标准拉普拉斯方程来表示。
Based on the continuity equation of ground water and the variation principle, the seepage differential equation can be acquired.
根据地下水的连续方程和变分原理建立渗流场微分方程。
Based on this picture, we derive the classical analogy of the covariant continuity equation which the spin current obeys.
基于此图像，我们给出了自旋流满足的协变形式连续性方程的经典对应。
To enclose the equation, the inertia effect, the crossing trajectories effect and the continuity effect of particle dispersion must be taken into account in the model.
此方程的封闭必须考虑颗粒扩散的轨道穿越效应、连续性效应和惯性效应。
According to continuity equation of Saint_Venant, and based on the old corresponding rising difference model, the paper developed a new model of channel flood realtime forecasting.
根据圣维南方程组的连续方程，在原有相应涨差模型的基础上，推导出一种新的河道实时洪水预报相应涨差模型。
It is thought that the independent equation of the boundary relation in the frequency-domain is composed of two curl equations and the charged continuity equation of the boundary relation.
认为时域场的边值关系的独立性方程可以用两个叉乘方程，电荷连续性方程的边值关系和电磁场的初始条件来确定。
The stage-discharge curve at the downstream boundary is combined with the continuity equation of the St.
本文基于河道下断面的水位流量关系和连续方程的联立求解 ，导出了水位流量关系型的下边界条件。
This course consists of several major parts, such as Functions, Limits and Continuity, The Derivative, Integration and Ordinary Differential Equation.
课程内容包括函数、极限与连续、一元函数微分学、一元函数积分学和常微分方程等几大板块。
This course consists of several major parts, such as Functions, Limits and Continuity, The Derivative, Integration and Ordinary Differential Equation.
课程内容包括函数、极限与连续、一元函数微分学、一元函数积分学和常微分方程等几大板块。
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