数值的

Determination of laser absorptivity of metal by numerical calculation technique and trial-and-error method .

用数值计算技术和试错法确定金属材料表面对激光的吸收率。

Our work involves the theories of numerical analysis, matrix computation, abstract algebra, control theory and algebraic Riccati equation.

课题的研究涉及到数值分析，矩阵计算，抽象代数，控制论等重要学科。

In the paper, some methods of numerical simulation of RF performance for accelerator cavity are introduced.

介绍了用数值模拟手段设计加速腔体的方法。

Keywords: BP neural networks,model approximation degree, acceptance probability, variable stepsize learning algorithm

数值结果表明该算法不仅明显地提高了BP网络的学习收敛速度，而且在一定程度上还能避免陷入局部极小。

BP neural networks ; model approximation degree ; acceptance probability ; variable stepsize learning algorithm

数值结果表明该算法不仅明显地提高了BP网络的学习收敛速度，而且在一定程度上还能避免陷入局部极小。

The results of numerical simulation are in accordance with that of experiments.

结果表明，数值模拟得到的流场结构与实验结果一致。

Using matlab, the acoustic reflected pressure from a submerged elastic/piezoelectric bi-laminated plate is calculated.

本文采用matlab 软件，对水下弹性/压电双层板的声波反射进行了数值研究。

This program can be three-dimensional numerical simulation of acoustic wave equation, but only in homogeneous isotropic media.

详细说明：这个程序可以实现三维声波方程的数值模拟，但是只是在均匀各向同性介质中。

Numerical simulation of structural acoustics is an important aspect of noise and vibration control domains.

结构噪声数值模拟是振动与噪声控制领域的一个重要研究方向。

Using Mesoscale ARPS model and its data analysis system ADAS, which were developed at the Center for Analysis and Prediction of Storms, the University of Oklahoma, three Doppler radars cardinal data of Qihe of Jinan, Linyi and Lianyungang were assimilated and comparative experiments were conducted for the "428" squall line process.

利用美国俄克拉何马大学风暴分析和预测中心开发的中尺度ARPS模式及其资料分析和同化系统ADAS，将山东省济南齐河、临沂和连云港3部多普勒雷达基数据资料同化进ARPS模式中，对山东"428"飑线过程进行了数值对比试验。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。