数值技术

High performance computing is closely related to the development of numerical oceanic prediction.

海洋数值预报技术的发展与高性能计算密切相关。

In the fifth chapter, the further derivation and demonstration of the VCA technique are made, and a new simple method to calculate the proper optimal step size in this condition is presented, which can improve the computational efficiency.

在第五章中，我们对VCA技术进行了进一步的更具一般性的推导论证，并在此基础上，推导出一种适用于该情况下的计算优化步长的公式，提高了数值计算效率，节省了计算时间。

And through the discussion of their localizations, a method is put forward to improve the optimal value of the objective function further by adjusting the LP's technique coefficients but not changing the optimal solution's structure, and the model is endowed with the inherent meanings of management innovation as well.

并在对两类线性优化逆问题自身局限性进行讨论的基础上，研究提出了在线性规划最优解结构不变的前提下，通过调整技术系数参数实现目标函数值进一步改善和优化的一种方法，且赋予了其企业管理创新的内在涵义。

It separates the network into symmetrical parts and unsymmetrical parts,synthetically uses sequence compo nents an d phase components.In the sequence domain,it equals the symmetrical parts to its boundary nod es;in the phase domain,with the po lym orphic calculationtechnique,it deals wi th all kinds of faults directly without huge calculating work as it is in the conventional phase compo nents methood.The example shows the advantages of this improved method.

该方法以相分量故障处理方法为依据，在序坐标下化简对称部分，等效到其边界节点，在相坐标下对化简后的网络处理各种简单和复杂故障，采用多态计算技术，以矩阵变换代替传统的数值方程的计算，避免了相分量法计算量大的缺点。

A kind of delay parabolic partial differential equation is studied. A numerical method is proposed by discrete skill. The numerical stability for this kind of delay parabolic partial differential is analyzed by interpolation method.

研究了一类时滞的抛物型偏微分方程初边值问题，利用离散技巧，提出了一种数值方法，然后在一定插值技术下分析了算法的稳定性。

By analyzing the problem of hydrological 3D spatial dispersion in 3D finite differential numeric simulation of porous groundwater flow, as well as discontinuous spatial distribution and asymmetric thickness of porous aquiferous strata and partitive groundwater stratum, the paper presents the GIS-based technique of 3D spatial dispersion of porous aquiferous stratum system. Besides, the paper puts forward the 3D spatial dispersion method of irregular hexahedral unit based on GIS to guarantee to the greatest degree the uniqueness of the stratum types among the dispersed units and improve the precision of 3D spatial dispersion.

分析了目前孔隙地下水流三维有限差分数值模拟中对含水层系统三维空间离散存在的问题，针对自然界孔隙含水层与隔水层空间分布的不连续性与厚度的不均匀性，研究了基於GIS的孔隙含水层系统三维空间离散实现的技术路线，提出了基於GIS与不规则六面体元的孔隙含水层系统的三维空间离散方法，最大限度地保证了离散体元中含水层类型的单一性，提高了孔隙地下水流模拟模型三维空间离散的精度。

By analyzing the problem of hydrological 3D spatial dispersion in 3D finite differential numeric simulation of porous groundwater flow, as well as discontinuous spatial distribution and asymmetric thickness of porous aquiferous strata and partitive groundwater stratum, the paper presents the GIS-based technique of 3D spatial dispersion of porous aquiferous stratum system .

分析了目前孔隙地下水流三维有限差分数值模拟中对含水层系统三维空间离散存在的问题，针对自然界孔隙含水层与隔水层空间分布的不连续性与厚度的不均匀性，研究了基于GIS的孔隙含水层系统三维空间离散实现的技术路线，提出了基于GIS与不规则六面体元的孔隙含水层系统的三维空间离散方法，最大限度地保证了离散体元中含水层类型的单一性，提高了孔隙地下水流模拟模型三维空间离散的精度。

Intel processors from the Pentium Pro onwards have a maximum CPUID input value of only 02h or 03h. The only exception is the Intel Pentium 4 with Hyper-Threading Technology.

Intel 的高能奔腾以后的 CPU 的 CPUID 数值不超过02H 或03H ，仅有的例外是具有超线程技术的奔腾4。

Several cases about perforator designs are given to show the applications of the numerical simulation technology .

仅以射孔器设计中的几个案例说明数值模拟技术的应用状况。

Using the Poincare surface of section technique, an analysis of a particle motion in the phase plane has been presented.

借助Poincare截面技术，对粒子在相空间的运动进行数值分析。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。