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1·The diffusion equation was discretized using a local one-dimensional finite difference equation and solved using the speedup method.

扩散方程采用隐式局部一维格式差分离散，利用追赶法求解；

2·The text is detailed to study the deducing process of the nodal finite difference equation, and to study its application hi the rock mass engineering problems.

本文详细研究了节点有限差分运动方程的推导过程，以及在岩土工程问题中的应用。

3·The paper presents an study of copper clad steel wire produced by liquid and solid bonding method. Using the finite difference equation, the dipping process is analyzed.

以液固相反向凝固法生产的包铜钢线为研究对象，利用有限差分法分析了铜在钢线芯体上的浸覆过程；

4·But this partial differential equation can not be directly integral, so usually use Navier method, Rayleigh Ritz method and finite difference method and other methods.

但这一偏微分方程不能直接积分，所以通常用纳维法、瑞利-里兹法、有限差分方法等方法求解。

5·We use finite difference method to solve electromagnetic wave equation.

采用有限差分方法，对波动方程求数值解。

6·The acoustical wave equation is presented a serial spatial and time iterative equations and room acoustics field is simulated using finite difference time domain method.

时域有限差分法将声波基本方程表示为一个时间和空间的迭代方程组，实现对室内声场中低频段的模拟计算。

7·At the same time, based on the result, it is concluded that the upwind finite difference scheme for solving the one dimensional heat transfer equation for SG is stable.

同时，根据这个结果分析得到了求解蒸汽发生器一维传热方程的逆风有限差分格式是稳定的。

8·In numerical wave simulation of finite difference for acoustic wave equation, due to the limitation of computer model, there inevitably exists strong artificial boundary reflection.

在声波波动方程有限差分波场数值模拟中，由于计算模型的限制，导致很强的人为边界反射的产生。

9·By deriving balanced differential equation of buried pipeline, adopt finite difference method to analyze and calculate the effect of axial build-in force on pipeline transversely displacement.

推导出埋地管道的平衡微分方程，采用有限差分法分析并计算了轴向嵌固力对管道横向位移的影响。

10·A new technique is given here, which combines partial algorithm with scanning algorithm and obtains wave arrival times by solving eikonal equation with the use of finite difference method.

本文提出一种将局部算法与扫描算法相结合的、用有限差分解程函方程求取地震波初至时间的方法。