有限维的

A brief visual analytical form of temperature distribution on a finite double material irradiated by a continuous wave laser is presented under the third boundary condition in one dimensional heat conduction.

在一维热传导问题的第三类边界条件下，给出激光辐照有限厚双层材料Zn InP温度分布的一种直观简洁的解析形式。

In the paper,a three-dimension finite difference scheme is presented to examine the stresses fields in the vicinity of a free rectangular corner of a l aminate subjected to a thermal loading.

对层合复合材料自由角附近的层间高应力问题，提出了一种三维有限差分法方案计算层合复合材料在变温下的自由角附近的应力场。

Giving the more explicit boundary conditions and using Biconjugate gradients stabilized method to solve the linear algebra equation with large coefficient matrix, we get a fast algorithm of highprecision to calculate effectively electrical and magnetic fields in the whole space.

由于提出了简洁的边界条件，采用了解大型系数矩阵方程组的双共轭梯度稳定解法，所实现的三维交错采样有限差分数值模拟算法具有迭代收敛稳定、计算精度高、速度快等特点。

Based on the Hertzian contact theory, the pressure distribution on balls of a pair of angular contact ball bearing under three dimensional loading conditions was analyzed.

本文首先介绍了Hertz接触理论的基本特点与求解过程，对于实际存在的有限长线接触问题进行了详细讨论并完成了对该问题基本积分方程的一维数值求解。。。

Therefore, it is necessary to design efficient compression methods according to the features of interferential hyperspectral image.

作为一种三维图像，其海量的数据导致存储与有限带宽信道上的传输非常困难，因此必须针对其数据特点设计高效的压缩编码方案。

Then in 1998 all of the Polygram and associated labels were purchased by Universal-Vivendi, the various labels now asserting the imprint under the umbrella of UMG, or Universal Music Group, LLC.

然后在1998年所有的宝丽金唱片公司，并购买了相关的通用维旺迪，各种标签现在断言出版的保护伞下UMG ，或环球音乐集团有限责任公司。

In the simulation of gas flow, the finite volume method is selected. The three-dimensional time averaged N-S equation, the RNG k -ε turbulent model and the mixed mesh are used. Then the Lagrange particle track model and the uniphase coupling method are used to simulate the gas-solid two phase flow field in the centrifugal fan.

在气相流场的数值模拟中采用了有限体积法和混合类型的网格，以三维时均N-S方程和RNGk-ε两方程湍流模型为基础，利用SIMPLE算法，对离心式通风机进行了内部流场的数值模拟。

The piecewise linear current density recursive convolution in finite-difference time-domain method is used to study the characteristics of one-dimensional unmagnetized plasma photonic crystals with a defect layer.

采用时域有限差分法中的分段线性电流密度卷积算法，研究具有单一缺陷层的一维非磁化等离子体光子晶体的缺陷模特性。

The diffusion equation describing the light transportation in two dimensional two layers dental model with finite size is solved by finite element method,and the optical intensity distribution inside the dental tissueis is obtained.

利用有限元方法对光在二维牙齿双层有限尺寸模型中传输的扩散方程进行求解，获取了光能在组织体内部的分布情况，并对牙釉质和牙本质在不同光学参量模型下的光学穿透深度进行仿真分析。

Numerical simulation was conducted to investigate the flow field of internal cooling passages with both rib-roughened walls and film hole suctions and discharge coefficients of film holes,with rib angles 45°,60°,90°,120°respectively.

利用有限体积法对三维不可压缩的N-S方程进行离散，对同时带肋和气膜孔出流的内流冷却通道在45°，60°，90°，120°肋的结构下进行了数值模拟。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。