Finite-difference Time-domain ( FDTD) method is a kind of important method in numerical calculation. It transforms the Maxwell differential equation with time variant to difference equation so as to find the solution of the electromagnetic field problem.

Learning performance was better with time, which is named long time efficacy.

时间变量上整体呈递增趋势，称长时功效。

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The Effect of Temporal Variables on Employees Attitudes and Behavior: The Mediating Effect of Interpersonal Support

时间变量对员工态度和行为的影响：人际支持的中介作用

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By Galerkin's variation method of continuous time variable, the finite element equation of CDE is derived. It is a system of first-order ordinary differential equations with respect to time variable. Solving this system of equations, we yield whole process of solving CDE.

首先对连续时间变量用Galerkin变分方法导出对流扩散方程的有限元方程，它是关于时间变量的一阶线性常微分方程，进而求解该方程组，完成求解对流扩散方程的全过程。

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In this paper, a standing wave solution has been made by nonlinear interaction of reflection wave and incident wave, thus producing a second order wave solution with Boussinesq equation.

本文针对这种现象通过对浅水弱非线性Boussinesq方程，讨论界面波由于反射效应产生的反射波与入射波的非线性相互作用，得出了一个不受时间变量制约的不传播非线性二阶驻波解。

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A Levy process can be written as a linear combination of time t. a Brownian motion and a pure jump Levy process.

Levy过程可以分解为时间变量、布朗运动和纯跳Levy过程的线性组合。

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Gel-sol distribution equations with time and Its Applications

含时间变量的凝胶溶胶分配方程及其应用

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Measure the variable time with Hall switch in the experiment of moment of inertia of rigid body

用霍尔开关测量刚体转动惯量实验中的时间变量

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By using Fourier transformation for space variable, Laplace transformation for time variable and convolution theorem for their inverse transformations, a general solution for dynamical problem of infinite beam on an elastic foundation is obtained.

然后对空间变量和时间变量分别进行Fourier变换和Laplace变换，利用逆变换褶积积分，得到了弹性地基无限长梁一般动力问题的解析解。

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The Boltzmann's entropy is used to measure the spreading extent of strange attractors in this paper. The first local maximum of entropy function is suggested as a criterion for selecting delay time in reconstruction of strange attractors.

用Boltzmann统计状态熵度量怪引子的展开程度，从而提出选取延迟时间变量的第一极大熵准则。

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Secondly, by the marching-on-in-order ( MOO) algorithm with Laguerre polynomials, time domain electric field integral equation can be solved without the time variables.

然后，本文分析了使用基于Laguerre多项式的阶数步进法（MOO，marching-on-in-order），它在求解时域电场积分方程时，可以将时间变量从中分离出来。

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In this paper, taking time as a variable, non catalysed gas solid reaction models were developed in a transient nature.

本研究则考虑了时间变量，建立了气固颗粒反应的瞬态模型，并通过对模型中偏微分方程的离散化处理，开发了一个有界Wegstein数值求解方法。

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Then, considering harmonic vibrations of the system, the non linear partial differential equations are converted into ordinary differential equations through elimination of the time variable by using the Kantorovich time averaging method.

分析了系统的自由横向谐振动，借助Kantorovich平均法消去时间变量，将偏微分控制方程转化为非线性常微分方程边值问题。

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Canonical double variables perturbation method for nonlinear vibrations

研究非线性振动的双时间变量正则摄动法

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But most of current GISs are static in essence, they cannot represent temporal information and temporal topology, and have not rich functionality of multitemporal analysis.

但现有GIS本质上都是静态系统，不仅无法完善地表达时间变量及时空拓扑，也没有提供充足的时空分析功能。

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The Range of Time Variable of Line Movement

直线运动时间变量的取值范围&对速度函数v（t）与时间变量t的定义域分析一文的补充

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Time Variable Method of Thermokinetics Chemical Reactions with Simple Order

热动力学时间变量法&简单级数化学反应

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Kinematic Analysis of the Single Universal Joint with Time-dependent deviation angle

考虑时间变量时单十字万向节的运动学研究

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The calculating method used in the analysis is also introduced in the essay.

文章介绍了根据时间变量，进行盈亏分析的计算方法。

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The bi-time-parameter representation of equation of heat conduction

热传导方程时间变量的双参数化

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A Research on Evolving Model of Innovated Product Prices with Introduction of Time Variable

引入时间变量的创新产品价格演变模型研究

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