查询词典 complex surface

Drawing of section by hand is very complex during design or production in surface mine .

引言露天矿的平面图和剖面图是生产和设计的基础图件，长期以来采矿设计人员都用手工在图板上绘制这些图件。

An engineering procedure for estimating crack growth behavior and fatigue lives of semielliptical surface cracks at weld toe s in complex stress fields was proposed based on a database of stress intensity factors and the elementary modes method developed by author.

以作者建立的焊趾半椭圆表面裂纹应力强度因子数据库以及复杂应力场中焊趾半椭圆表面裂纹前缘应力强度因子分布计算的基本模式法为基础，给出了复杂应力场中焊趾表面裂纹在疲劳扩展过程中形态变化规律及寿命的工程分析方法；并用这个方法计算了一些典型焊接接头在一些典型的外加应力场和残余应力场中的裂纹形态发展曲线。

The inclusions are changed from chain shape with acute angle to spherical shape. Those are complex inclusions with the Zr containing inclusions are the nuclei for the inclusions, Al2O3 and / or MnS are located in the surface layer of the inclusions whose size is in the range of 1.0 to 3.0μm.

经过锆处理后，粗晶热影响区中的夹杂物由长条的尖角状变为圆形或近圆形，且都是含锆的复合夹杂物，含锆夹杂物作为形核核心，在其表层沉淀析出Al2O3和／或MnS，其尺寸在1.0~3.0μm之间。

The method of complex amplitude superposition was adopted, it was derived the intensity of light distribution formula about interference fringe correspondence reflected light or transmission light, thence the effect of stripy visibility and sharpness was studied .when incidence direction of monochromatic light isn't vertical arrow on thin film surface, both reflected light and transmission light were partially polarized light , therefore accurately result need be taken into account polarized character when interference in practical thin film was studied .

采用复振幅叠加方法得到反射光和透射光形成干涉条纹对应光强分布公式，然后研究了多光束干涉对条纹的可见度和锐度的影响。

In this paper, inverse scattering series method is based on wave equation and Born series, multiples are predicted and removed by constructing a subseries corresponding to surface-related multiples. This method does not need any subsurface information and is suitable for different kinds of complex structures.

本文研究的逆散射级数法以波动方程和Born级数为基础，构造一个与自由表面多次波相关的子序列来预测并消除多次波，该方法不需要知道地下的速度结构信息，适用于各种复杂的地下情况。

In tailrace tunnels of large hydropower station, a transient mixed free-surface-pressure flow may occur, which has a complex effect on the stability and transient of the power plant.

大型水电工程的尾水隧洞中可能会发生明满交替流动，给电站过渡过程带来很大影响，需要建立合理可行的明满交替流动数值计算模型。

Because Matlab uses complex matrix as its basic unit, we provided the matrix form of the Bezier curve and tensor product Bezier surface, and presented the ways to achieve them by using Matlab. On such a basis, we obtained the algorithm, made feasible programs and demonstrated them by concrete examples. Such a study aims at promoting the realization of CAGD toolbox by using Matlab.

由于Matlab的基本编程单元是复数矩阵，因此首先归纳出了一维Bezier曲线和二维张量积型Bezier曲面的矩阵表示形式，在此基础上形成算法，编写了可实现的程序，随后以具体实例的形式给予验证，最终得到了满足要求的曲线和曲面，以期能够推动Matlab的CAGD专业工具箱的产生。

This article uses Laplace equation, separating tetrahedron as various units and the using the appropriate form function to discrete the complex structure, surface and its environment.

采用电化学场中的拉普拉斯方程，使用四节点四面体和合适的形状函数对水室表层和复杂结构体系周围场域进行离散。

Using an adaptive segment technique, a topological complex 3D surface can be developed into its corresponding 2D pattern.

利用自适应分片技术把拓扑结构复杂的曲面展开为平面。

The mechanism studies on the atomic oxygen effects over surface materials become rather difficult due to the fact that the interaction, stemming from a highly complex environment in LEO, where the atomic oxygen are equipping with high translational kinetic energy and strong oxidizing characteristics, may induce complicated physico-chemical processes.

然而，由于空间环境高度复杂，以及环境中原子氧具有高平动能和高度活泼的化学特性，空间材料的原子氧效应呈现复杂的物理化学过程，给该效应的机理性研究带来严重困难。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐