Therefore, the central difference to deal with both the convectional and the diffusion term was adopted.
针对反向计算的如上特点，我们对对流项和扩散项均采取了中心差分的处理方式。
The convection term is discretized with upwind-central difference scheme, while the pressure equation is solved by SOR.
对流项用迎风—中心差分格式模拟，压力方程用SOR法迭代求解。
Applying the finite difference method to solve mathematics model of the well tests, and the central difference method is used.
应用有限差分法对试井的数学模型进行求解，采用中心差分。
For a layered model the computational procedure for the central difference method of direct integration is very simple and easy.
对于层状模型，若采用直接积分的中心差分方法，计算过程十分简单，也可用于有限差分等方法的计算中。
The sensitivity matrix of target parameters relative to control parameters is numerically computed using finite central difference formula.
利用中心差分公式计算终端参数对控制参数的敏感矩阵。
The spatial flux terms are discretized by using central difference scheme and the time integration is performed by using explicit scheme in the flow solver.
流场求解时采用中心差分的有限体积方法对空间通量项进行离散，采用显式推进方法进行时间方向的积分。
The dynamic analysis of a layered fiber-reinforced composite laminate subject to a given impact loading has been made with a three dimensional finite element and central difference method.
本文采用三维有限元和中心差分法对一个具有一定取向的层板在冲击载荷下进行了动力分析。
The spatial field FE discrete method of the virtual work equation and the time field central difference discrete method of the FE equation in the dynamic explicit method are described in detail.
详细分析了动力显式算法中虚功方程的空间域有限元离散方法和有限元方程的时间域中心差分离散方法。
Due to the hyperbolic properties of convection-dominate dispersion equations, the central difference formula often cause numerical dispersion and oscillation even it has two-order precision in space.
由于对流为主的弥散方程具有双曲性质，中心差分格式虽然关于空间步长具有二阶精度，但会产生数值弥散和非物理力学特性的数值振荡，使数值模拟失真。
Assuming the stimulus works, this operation will be profitable for the central Banks - a important difference when comparing this to fiscal measures that raise national debts.
假设这个刺激计划起作用，这样的操作将会给央行带来利润，而不是像采取财政政策一样增加国家赤字。
Assuming the stimulus works, this operation will be profitable for the central Banks -a important difference when comparing this to fiscal measures that raise national debts.
假设这个刺激计划起作用，这样的操作将会给央行带来利润，而不是像采取财政政策一样增加国家赤字。
The key difference between these two approaches is that file-based DISCO/WSIL is distributed and decentralized, whereas UDDI relies on a central repository.
这两种办法的主要差异在于基于文件的 DISCO/WSIL是分布式和非集中式的，而UDDI 则依赖于中心资源库。
True, market pressure lifted a bit on Wednesday after central Banks made a splashy announcement about expanded credit lines (which will, in fact, make hardly any real difference).
没错，周三，在多家银行引人注目地宣布扩大信贷额度(实际上，这种做法并不可能实现真正的改观)之后，市场压力得到缓释。
In particular, the ScheduleManager is called to the viewer's attention because of the difference in coloration and the upper-central placement of the diagram element.
具体来说，查看者将会注意到ScheduleManager，因为其颜色不同，而且位于关系图的上部居中位置。
In a climate where cloudiness rules, this 4% difference is significant, and argues strongly for a viewing site right on the waterfront, southeast of Shanghai where the Central Line crosses the coast.
在一种多云规律的气候中，4%的差异是不可忽略的，并且为在岸边(上海东南方，中心线穿过的海岸。)的观测点是否正确而激烈的争论。
In patients with normal resting pulmonary ventilation, there was no significant difference of exercise cardiopulmonary function between the central and peripheral lung cancer groups.
在静息肺通气功能正常的情况下，周围型和中心型组间各指标均无显著性差异。
The result shows that the two rotor models do not have great difference in the stress of outer surface, but have great difference in the stress of central position.
计算结果表明，两个转子模型的外表面应力差异不大，但中心部位的应力相差较大。
The difference of thermal evolutional history between central Himalaya and Eastern Himalaya Syntaxis shows that they uplifted in different tectonic style at different period of time.
喜马拉雅中段与东构造结不尽相同的热演化历史说明二者的隆升方式和时代存在明显差异。
So if you are measuring brachial blood pressure which is a much smaller tube than the central large artery and the more pliable the vessel is the less likely there is to be a difference.
因此，如果在检测肱动脉(一个远小于中心大动脉的血管)血压时，血管越柔韧，产生压力误差的可能性就越小。
However, there is a difference in ideas between the various central ministries, which stall or slow the work on a project's commissioning.
然而，中央部门各有不同的想法，导致项目试运行工作受到拖延或放慢。
Apart from the secondary water supply systems, the drainage systems and the air-raid shelters, no significant difference was found in the positive rates between the central area and the marginal area.
除二次供水、市政排水设施和防空洞外，中心城区与边缘城区蚊孳生阳性率无明显差别。
The time of the difference when the mix left the central mixer.
时间的差别时，左边的混合调音台的中央。
To investigate the difference of central corneal thickness(CCT) measured by optical coherence tomography(OCT), anterior chamber-optical coherence tomography(AC-OCT), and compare their repeatability.
探讨眼前段光学相干断层扫描仪（AC-OCT）测量中央角膜厚度（CCT），并与光学相干断层扫描仪（OCT）进行比较。
There was no significant difference between central type LDH and lateral type LDH( P< 0.05).
中央型突出与旁侧型突出的疗效无明显差异（P >0 .0 5 ）。
Three variable volume control modes in central air-conditioning, press difference control, temperature difference control and load control are analyzed.
对中央空调系统的三种变流量控制方式压差控制、温差控制、负荷控制进行分析。
When light stimulus was weaker and concentrated on central vision, there was no significant difference between a red light and a green light in the aspect of dark adaptation.
光刺激作用主要集中在视网膜中央窝的条件下，等亮度较弱的红光与绿光之间暗适应时间无显著差异。
Results There was no difference between patients with arteriovenous fistula and temporary central catheter in the recirculation rate and hemodialysis adequacy.
结果深静脉留置导管与动静脉内瘘在重复循环率及透析充分性上无显著差异。
This paper introduces a basic principle and calculation formula of measuring the horizontal distance and elevation difference by central hair stadia, and analyzes its measuring precision.
介绍了中丝视距法测量水平距离和高差的基本原理及计算公式，并对其测量精度进行了分析。
This paper introduces a basic principle and calculation formula of measuring the horizontal distance and elevation difference by central hair stadia, and analyzes its measuring precision.
介绍了中丝视距法测量水平距离和高差的基本原理及计算公式，并对其测量精度进行了分析。
应用推荐