目的用激光连续方程研究激光系统的动力学行为。
Aim To study dynamical character of system using continuity equation of laser.
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 the continuity equation of ground water and the variation principle, the seepage differential equation can be acquired.
本文给出了有相异表面复合速度时半导体薄片少子连续方程的一种新解法。
This paper presents a new solution of minority carrier continuity equation for a wafer with different surface recombination velocity on its two surfaces.
这四个方程中，引导中心相空间连续方程是基本方程，刘维定理则是核心。
Of the four equations the basic equation is the continuum equation of phase space for the guiding center which has its root in the Liouville's theorem.
模型包括坡面水流连续方程、水流运动方程、侵蚀方程(水土流失方程)、坡面变形方程。
It consists of the equation of the slope flow continuous equation, slope flow water kinematical equation, slope soil erosion equation, slope deformed equation.
采用三维不可压紊流的连续方程与动量方程和紊动能与耗散率方程对内部流场进行研究计算。
The flow characteristics of inner flow field of turbine are computed with three-dimension incompressible continuous equation, momentum equation and turbulent kinetic-dissipation equation.
本文从刘维定理出发，通过相空间求平均，建立了中子星吸积柱中粒子流连续方程和动量迁移方程。
In this paper we establish a set of kinetic equations from Liouville's theorem which can be used to describe the charged particle distribution in the accretion column of a neutron star.
计算中，在连续方程中增加了一个松弛项，将模式结果向已有实测调和常数的控制点推算潮高值趋近。
A relaxation term is added to the continuity equation to nudge the calculated sea levels to the sea levels predicted at gauging stations.
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。
The stage-discharge curve at the downstream boundary is combined with the continuity equation of the St.
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。
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".
计算在非交错网格上进行，为了避免压力场的振荡，在连续方程中隐式地加入了压力的四阶数值耗散项。
The 4th order numerical dissipation for pressure was added in the continuity equation to avoid oscillations in pressure solution.
模型耦合了连续方程、动量方程和组分守恒方程，并将质子膜中的净水迁移通量作为边界条件之一来处理。
The model couples continuity equation, momentum equation and species conservation equations. Net water transport flux in the membrane is considered as a boundary condition.
双多普勒天气雷达反演风场是以直接合成法为基础，垂直速度通过连续方程得到，反演天气系统的三维风场。
Wind field retrieval from dual-Doppler radar data USES synthesis technique, and the vertical velocity is obtained by using continuity equation, then the three-dimensional wind fields are retrieved.
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。
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.
只有模型，从宇宙哲学方程到人类行为原理的模型，才能连续的(尽管是不完美的)解释我们周围的世界。
Only models, from cosmological equations to theories of human behavior, seemed to be able to consistently, if imperfectly, explain the world around us.
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。
This is what we now call the equation of continuity, one of the relationships necessary for the derivation of the wave equation.
获得了一类带有连续和分段常数变元的中立型微分方程所有解振动的新的充分条件。
The new sufficient conditions for the oscillation of all solutions of the neutral differential equation with continuous and piecewise constant arguments are obtained.
在此参数表示下，模糊数可直接视为二维度量空间r 2中的有界连续曲线，这给分析模糊微分方程带来了便利。
By the parametric representation, fuzzy number means a bounded continuous curve in the two-dimensional metric space R2, so that it is easy to analyze fuzzy differential equations.
如果所有的基础方程都定义于整个时间过程，那么，该系统就是连续时间系统。
If all elemental equations are defined for all time, then the system is a continuous-time system.
并使用连续性方程，在考虑表面复合过程的情况下，提出了短二极管的少子寿命计算公式。
This paper calculates the expression between minority-carrier lifetime and switching time in short diode by analyzing the continuity equation when considering the surface recombination.
此外，作者还给出了一类具有连续变量的偏差分方程的振动准则。
Furthermore, the author gives the oscillation criteria of some partial difference equation with continuous variables.
该方程右边的函数在实数域内不连续，是一个高度非线性微分方程组。
The equations are extra nonlinear differential equations. the dexter function is not continuous in field of real number .
讨论由随机微分方程描述的随机连续信号的辨识建模问题。
The modeling problem for stochastic continuous signals, described by stochastic differential equations, is discussed.
并在此基础上，导出计算曲轴的双连续梁全弯矩方程。
The all-bending moment equation for dual continuous beam is derived on this basis.
利用少数载流子的稳态连续性方程和半导体材料对光的吸收，求出光电流的表达式。
We utilize the minority carrier equilibrium continuity equations and semiconductor material absorption of photo to get the expression of current induced by photo.
为了突出主干和分支网络的特殊性，提出了节理单元模型并专门推导了节理单元的连续性方程。
A joint element is presented to represent the trunk and branch networks and used to derive the continuity equation for these two network systems.
为了突出主干和分支网络的特殊性，提出了节理单元模型并专门推导了节理单元的连续性方程。
A joint element is presented to represent the trunk and branch networks and used to derive the continuity equation for these two network systems.
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