查询词典 two dimensional

This paper presents a numerical simulation and study of the transition to chaos of the flow past a two-dimensional circular cylinder.

本文数值模拟并研究了二维圆柱绕流向混沌转捩的情形。

Two-dimensional finite difference time domain simulation results show that, in a wide angle range (about 20 degrees), in a normalized circular frequency range of , the transmission intensity can reach over 98% for both TE and TM polarization.

二维有限时域差分模拟结果显示，在较宽的角度范围内（约20度），约化圆频率处在范围内，分束器对TE和TM偏振光的透射强度都能达到95%以上。

Based on symmetry of the circular light spot of the laser, a two dimensional numerical simulation of temperature fields of laser molten pool has been developed.

利用激光圆形光斑对称性的特点，建立了激光表面快速熔凝条件下温度场的二维数值模型。

This paper demonstrates three different strategies of point distribution for two-dimensional problem. Points are distributed at gravity point,at circumcircle center and at the edge of Voronoi. The examples using these three methods show that the results are satisfactory. Among the three methods, the last is best in terms of mesh quality.

本文以二维非结构网格生成为例，介绍三种布点策略，即重心布点、外接圆心布点和Voronoi边布点，算例表明三种方法均可生成满意的非结构网格，其中Voronoi边布点方法生成的网格质量更好一些。

Based on two-dimensional tensor product B-spline wavelet on the interval, a class of flat shell elements was constructed with good performance.

基于二维张量积区间B样条小波，构造了一种性能良好的小波平板壳单元。

A two dimensional model approach for the photodetachment dynamics of closed shell an-ionic systems in presence of external light field have been proposed in the context of polar environmental media.

利用外部光场，采用二维模型的方法研究了闭壳阴离子系统在极性溶剂环境介质中光解动力学过程。

When I is a two-dimensional matrix, then I is the intensity value at the position corresponding to row r and column c of the matrix.

设I是一个二维矩阵，则I就代表行r列c点的光强值。

Based on digital image processing and combined coding theory, two-dimensional matrix bar code is a symbol system processed automatically using image recognition technology.

Data Matrix是建立在计算机图像处理技术、组合编码原理等基础上的一种图形符号自动识读处理码制。

The percutaneous balloon mitral valvuloplasty was performed in the patient with single thickened tendinous cordae.The valvular closed commissurotomy was performed in the patient with thickened non-calcified tendinous cordae.The ATC stereoscopic images that revealed by dynamic 3-D reconstruction technique could be not acquired in two-dimensional image technique.

结果：本组瓣膜病患者，有两组腱索增粗并钙化者及腱索稀疏与断裂者均行瓣膜置换术，仅单组腱索增粗者行瓣膜球囊扩张术，两组腱索增粗而无钙化者行瓣膜闭式分离术，动态三维重建技术展示了二维显像所不能获得的房室瓣腱索的立体图像。

Analysing the two-dimensional photo-electric position transducer which is used to measure the rotating angle of the wing, and the compensating method of the light of the is also studied in detail.

对光电位置传感器PSD进行了研究，并首次将其应用于模型机翼的转角测试；对其环境光补偿问题也给予了比较详细的讨论，提出了一种环境光的补偿方法

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。