A new entropy dissipator, based on the second-order difference of the numerical solution is given.
并且给出了一个新的以数值解的二阶差分作为基本模块的熵耗散函数。
This paper mainly researches the usage of high order difference scheme on the traffic flow modeling.
本论文主要研究高阶差分格式在交通流模型上的应用。
The high-order difference method of wave equation has the advantages of high accuracy and small numerical dispersion.
波动方程高阶差分法具有精度高、数值频散小的优点。
The predicting of the new searching center by the application of a 3-order difference formula speeds up the calculation further.
应用三阶差商公式预估新的搜索中心，使运算速度得以进一步提高。
The article educed that the series of hard wheat futures and spot prices show their first-order difference stationary, I (1) process, by the unit root test.
通过单位根检验，确定硬麦期货与现货价格序列具有一阶差分平稳性即i(1)过程。
The first order difference of likelihood variable may be used to locate data points in other probability distributions and to improve deconvolution result then.
似然变量的一阶差分，可以用于检测来自其它概率分布的数据点的位置，改善反褶积的效果。
Numerical experiments show that the new method is better than some other high-order difference methods given before, and applicable for advection-dominated problem.
数值算例表明本文方法优于以往的几种高精度差分格式，且适用于对流占优问题。
According to the second-order difference of the consecutive pixels, the source pixel group is automatically selected to compute the corresponding target pixel gray value.
该算法以相邻像素的二阶差分为基础，自动选择与目标像素点相对应的源像素组进行插值运算。
Some new criteria of oscillation or non-oscillation are presented for certain nonlinear second order difference equations. Several examples are given to illustrate the results.
对一类二阶非线性差分方程的解给出了几个振动或非振动的判定定理，并举例说明了定理的应用。
Second, the free-boundary is handled by using combination of the zero-velocity method with the general ghost-image method and fourth-order difference format is used in free-boundary.
然后采用将零速度法和广义虚像法相结合的方法来处理自由边界，并在自由边界上采用四阶精度差分格式；
Chapter 3 is centered around the existence of periodical solutions for non self-adjoint nonlinear second order difference equations by invoking matrix theory and coincide degree theory.
第三章利用矩阵理论与重合度理论，讨论了一类非自共轭非线性二阶差分方程周期解的存在性问题。
Under the circumstance of the real time monitor for the low-frequency variables, the method of one order difference equation has been proposed. At last, an example of its application is given.
对缓时变物理量的实时监测的情况，采取了一阶差分方程取代的方法。
According to structural feature of typical geologic models in Shengli oilfield, the paper presented staggering mesh high-order difference forward simulation of density-variated acoustic equation.
根据胜利油田典型地质模型的构造特点，本文提出了变密度声波方程交错网格高阶差分正演方法。
Then for higher order chaotic discrete-time system, the approach discussed can be degraded to one order difference equation. As a result, chaotic discrete-time system can be easily solved by Matlab.
对于高阶离散混沌系统也可以采用上面的变换将系统降阶，变成一阶差分方程组进行求解，从而离散混沌系统都可以通过简单的编程实现数值仿真。
It is theoretically shown that the application of high-order difference method in structure and velocity images decreases frequency dispersion error, but improves effect and accuracy of computation...
理论分析表明，在构造与波速成像中采用高阶差分方法，可以减小频散误差、提高计算效率与计算精度、获得满意的效果。
Explaining the difference between each is beyond the scope of this handout and unnecessary to know in order to answer the questions.
解释两者之间的区别超出了本讲义的范围，而为了回答问题，是没有必要知道它们之间的区别的。
Do you really suppose it makes any difference what order these calls come in?
你会真的认为这些呼唤信号的次序不同，其意义也不同吗？
Another difference concerns what lawyers call "specialty" : making sure the person is prosecuted only for the crime the extradition order cites.
另一项差别在于律师所说的“契约”：须确保被告仅受到引渡命令所提到的罪名的指控。
The trick to differentiating collections from arrays is knowing the difference between order and position.
要明白数组与集合的区别需要弄清楚顺序和位置的不同。
The XML code and the relational code to create the purchase order are mostly identical, with the only difference being the query to find the current price of the product.
用于创建采购订单的XML代码和关系代码大部分都相同，惟一的差别是用于查找产品当前价格的查询。
But not always, because the order of the columns in the index can make a big difference depending on the query. For example, consider this query.
但也不一定，因为索引中列的顺序也许会根据查询而有很大差异。
The Siemens numbers ranged from 60-120 (call it 100 for comparative purposes), while the FBR’s granular method comes in at about 10KWh/kg—an order of magnitude difference.
西门子数字从60-120不等（取100为方便比较），而快堆的颗粒方法有大约10KWh/kg-一个巨大的数量差别。
But in order to produce the immense amount of difference among all living organisms, certain ones had to evolve into distinct species.
但是为了在所有生物体之间产生巨大的差异，一些生物必须进化为独特的物种。
To make up the difference, Mr Obama will create a deficit commission by executive order, charged with making recommendations for long-run budget sustainability.
为了有所区别，奥巴马将会通过行政命令创建一个赤字委员会，负责为使长期的预算得以持续提供建议。
Some would think that with or logic, the order of the predicates wouldn't make a difference since they both must be applied anyway.
有些人可能会认为，由于有OR逻辑，谓词的顺序不会造成差别，因为不管怎样它们都会被应用。
In order to understand the difference between good and bad target prices, we need to define what target prices are and how they should be calculated.
要理解好和不好的目标价之间的区别，我们需要给目标价下个定义并详细说明如何计算目标价。
When does the order make a difference?
谓词顺序什么时候会造成差异？
A minor difference between a comparator and a filter is that a comparator returns the entire record store in sorted order, whereas a filter returns only those records that match a specified criteria.
比较器和过滤器之间的一个微小差别在于比较器返回排序后的整个记录存储，而过滤器只返回那些满足指定条件的记录。
A minor difference between a comparator and a filter is that a comparator returns the entire record store in sorted order, whereas a filter returns only those records that match a specified criteria.
比较器和过滤器之间的一个微小差别在于比较器返回排序后的整个记录存储，而过滤器只返回那些满足指定条件的记录。
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