英语释义

• a differential equation involving a functions of more than one variable

片语

nonlinear partial-differential equation非线性偏微分方程

partial l differential equation偏微分方程

systemof partial functional differential equation偏泛函微分方程系统

nonlinear partial integral differential equation非线性偏积分微分方程

partial functional differential equation偏泛函微分方程

partial linear differential equation线性偏微分方程

parabolic partial functional differential equation抛物型偏泛函微分方程

英汉例句

• a condition of a one-order quasilinear partial differential equation of a traffic model forming unique shock wave is given end proved.

  本文讨论了一交通模型的一阶拟线性偏微分方程激波产生唯一性的条件并给了严格的证明。

• the paper has used concise methods of logical analysis and reasoning to describe the relation between the first-order quasilinear partial differential equation and its system of characteristic …

  对一阶拟线性偏微分方程与其特征方程组的关系，文中给出了简洁的逻辑分析和推导方法。

• and just to tell you again that is a strange partial differential equation relating these two vector fields.

  再说明一下,这是关于这两个向量场,多少有点奇怪的偏微分方程。

• the dynamic stress in helical spring has been analyzed with a spatial mechanical model for bent lever and an analytic solution for the partial differential equation has been found.

  本文采用空间曲桿力学模型对圆柱拉压螺旋弹簧进行了动态分析，求出了动态微分方程组的解析解。

• for example, the temperature of a metal plate can be expressed as a partial differential equation if the temperature on the boundaries is known. this is called a boundary value problem.

  比方说，如果已知一块金属板边界上的温度，那么整块金属板的温度就可由一个偏微分方程表示，这称为边值问题。

• a partial differential equation on momentum thickness is derived from unsteady mass and momentum conservation equations in integrating form on boundary layer of the tube.

  它是通过在膛壁边界层建立非稳质量守恒和动量守恒方程的积分式，而获得有关动量厚度的偏微分方程；

• the partial differential equation (pde) for heat conduction was solved with the finite element method and the pde toolbox was adopted to obtain the numerical simulation.

  采用有限元法求解梁截面导热偏微分方程，应用pde工具箱得到数值解。

• we present a homomorphic partial differential equation filtering method for interferometry fringe patterns.

  本文提出了电子散斑干涉条纹图的同态偏微分方程滤波方法。

• from then on, bsde is further studied and applied widely in stochastic control, partial differential equation (pde), mathematical finance and economics.

  倒向随机微分方程在随机控制、偏微分方程、数理金融、经济等领域都有着广泛的应用。

• the analytical truncation error formulas of a partial differential equation are given for the upstream scheme and the centered difference scheme, respectively.

  然后引入参考解的办法， 用来分离更为一般的微分方程求解过程中的截断误差和舍入误差。

• in recent years, many partial differential equation problems are also appeared in life science and economics.

  近年来，在生命科学、经济学中也出现了大量的偏微分方程问题。

• the partial differential equation of flow in porous medium has been studied with variational finite element method.

  用变分有限元方法对描述地下流体渗流的偏微分方程进行了分析。

• an effective method for solving a partial differential equation of secondary hydrocarbon migration is put forward.

  本文给出了一种高效率求解油气二次运移偏微分方程的方法。

• this equation can be resolved into two parts, one second order partial differential equation and a pair of complex conjugate fourth order partial differential equations.

  该微分方程可以分解成一个二阶和两个四阶的共轭微分方程式；

• the partial differential equation is solved by alternating direction implicit algorithm.

  采用交替方向隐式算法求解偏微分方程。

• in the third chapter, we discussed the problem about partial differential equation with small parameter on the high-order item.

  第三章主要对小参数在高阶项的偏微分方程进行讨论，也就是一般意义上的边界层问题。

• under the assumption oi complete financial market and no arbitrage opportunity, i obtain the partial differential equation the value of benefits should follow, which in turn can be used.

  文中讨论了保费连续支付情形下比例划分保费的投资连结产品的定价及保费计算 ，并用金融市场的无套利条件得到了该产品价格所满足的偏微分方程 。

• concerning the defects of logarithmic image processingtotal variation (lip_tv) denoising model, an improved partial differential equation (pde) image denoising method based on lip was proposed.

  针对对数图像处理-全变分（lip_tv）去噪模型存在的不足，提出一种改进的lip偏微分方程去噪方法。

• the energy app roach (hamilton's principle) is employed to obtain the governing partial differential equation of motion from the expressions of potential and kinetic energies of the system.

  通过系统的动能和势能表达式，应用哈密尔顿原理，可获得主导偏微分运动方程。

• a nonlinear partial differential equation model based on nonlocal information was proposed to remove noise and preserve the edges.

  针对传统扩散模型中的边界模糊问题，提出一种基于非局部信息的非线性偏微分方程去噪模型。