查询词典 forward difference operator

This scheme divides center difference to forward and backward one-side difference operators which are combined in 4-6 steps Runge-Kutta time integration.

此格式将中心差分算子分成前向和后向两个空间单边差分，然后在4-6步Runge-Kutta时间积分中使用单边差分组合。

If the starting point is so far out of focus that the sensor can't identify a phase difference, the camera racks the lens once forward and once backward to find a detectable difference.

如果起始点离聚焦点太远以至于对焦感应点无法确认相位差，相机会把镜头推拉各一次以获得可检测的相位差，否则就停止工作。

Because the diffusive term is discretized with divided forward difference or divided backward difference according to the sign of convection velocity, these methods keep first order accuracy for diffusive term.

3.2考虑规则网格上的一维和二维定常型对流占优扩散问题，离散方法采用了有限体积方法及普通的有限差分方法，基本离散思想是将对流项提高到二阶精度，扩散项则根据对流速度的方向决定采用向前或向后差商离散。

In moving and change detection, an algorithm is put forward which combines the advantages of background difference and sequence difference, in order to detect moving and changing objects in sequential images.

在运动检测中，结合了背景差分和时间差分的优点，检测出视频序列图像中的运动变化物体。

It pretty much has to, as the operating current for both stages is the same, the series resistance is only trivially different compared to the forward biased input impedance of a triode grid (10's of K's for the typical duotriode input), and the voltage divider ratio difference between 100/10K and 470/100K is 0.990099 versus 0.995322, an inaudible amplitude difference.

相当有作为的经营现为两个阶段是相同的，一系列的阻力，只是没有太大的不同，相对于前进偏颇输入阻抗三极管一格(10年代K的对典型duotriode投入)，该分压器比例相差100/10k和470/100k是0.9900990.995322versus，inaudible幅度差。

This paper is based on the necessity analysis of regional difference and takes the example of Shenzhen, it raises the process and the method of regional difference and brings forward ultimately the using suggestions on traffic impact analysis.

本文在进行区域差别必要性分析的基础上，以深圳为例，提出进行区域差别分析的步骤及方法，并最终提出在交通影响分析中的应用建议。

When the forward slip difference is large,the influence of velocity difference is small and workpiece is easily bent.

经试验结果分析，弯曲是轧件上、下表面前滑差和速差综合作用的结果。

People feel it isn't difficult to understand and use this new accounting procedure. On the contrary, it is more difficult to understand some related concepts. In addition, the article discusses the difference bewteen the old accounting standard and the new one. It also analyses the influence because of the difference and put forward some concerted proposals.

给人的感觉，新的核算程序理解和运用起来并不困难，较困难的是对相关概念的理解；另外本文对新旧会计准则的所得税差异进行探讨，分析了差异产生的影响，并提出几点协调建议。

This text mainly takes rural consumption of resident at present as an example, analyze that consumes the difference present among the areas of our country, and form the factor of this kind of difference, put forward the corresponding policy recommendations in order to increase the consumption of resident of our country, bring about an advance in economy.

本文主要以目前农村居民消费为例，分析我国地区间消费存在的差异，以及形成这种差异的因素，并提出相应的政策建议以增大我国居民消费，促进经济发展。

II. Through comparing domestic and international research result, adopting the method of researching investigation, analyzing the sex differences of the mathematics study ability , put forward to have the sex difference in mathematics study, and explain the time of the creating difference.

二、结合国内外的研究结果，采用调查研究的方法，分析男女生数学学力上的差异情况，提出在数学学习中确实存在数学学力上的性别差异，并说明差异产生的时间。

Bob Eckert has been chairman and chief executive of Mattel for eight years.

美泰董事长兼首席执行官鲍勃·埃克尔特在任已8年。

The outlook for honors and disgraces carries on and surpasses the traditional outlook for honors and disgraces theoretically, and carries on and develops the theory of construction of socialist mora...

社会主义荣辱观的提出在理论上是对传统荣辱观的一次继承和超越，是对社会主义道德建设理论的继承和发展，在实践上有利于形成良好的社会风尚。