结构工程

With the development of science and project technology, more and more questions need the solution of big linear systems. This solution is one of the fastest ways for researching numerical algebra, especially for the big sparse matrix.

随着科学和工程技术的发展，越来越多的问题需要求解大规模的线性方程组，对这类方程的快速求解已成为数值代数研究的热点之一，特别是具有稀疏结构的大型方程组的求解。

They have been used for health monitoring and spatial analysis of engineering structures.

他们已经被用于健康监测和空间分析的工程结构。

It is a few projects of crest spillway of rock-fill dam at home and abroad at present. And there is a little study on its structural design theory, and only have some experiments.

目前国内外有关堆石坝坝顶溢洪道的工程实例较少，对其结构设计理论的研究也不多，仅有少量的实验。

BACKGROUND :Rapid development of spermatogonial stem cells is the new hope for assisting reproductive technologies, and the stability of the number and structure of the chromosome cultured in vitro is one of the important factors in usage.

背景：精原干细胞技术的快速发展为生殖工程带来了新希望，而在体外维持染色体数目及结构的稳定性是其使用的关键问题之一。

This text give wireless bureau area the definition of the net, all said a wireless bureau area connect of net into the standard, safety and topology which introduced a wireless bureau area a net rushed toward structure, the end gives an engineering case and analyzed small scaled transact a business enterprise a wireless bureau area the design method of the net Keyword The wireless bureau area net, wireless safe technique and Tuo rush toward structure, wireless router, the core exchanges machine

本文给出了无线局域网的定义，概述了无线局域网的接入标准，介绍了无线局域网的安全和拓扑结构，最后给出一个工程案例，分析了小型办公企业无线局域网的设计方法。

According to the application of semiparallel steel cable wrapped by PE in domestic projects, some improving measures are presented.

摘要］ 介绍了索网结构中主次索之间的连接节点形式，并根据国内工程实践中常用的外包PE的半平行钢索的应用情况提出了有针对性的构造上的改进，同

Engineers to be prepared to step in the deformation of structural steelwork.

工程人员打算分两步来应对钢结构的变形。

Putting forward a set of classification and problem dividing method based on the joint design in PDSOFT Steelworks CAD system.

以PDSOFT钢结构设计系统中的节点设计为背景，提出了一套基于工程模板的问题分解和分类方法。

So,it can use stereographic projection of vector for further theory analysis,such as judging movable block in dam foundation and side slope after determining structure plane which has influence in the stability of project,that can guide the analysis and study of the stability of .

为确定对工程稳定性有影响的结构面后，可应用全空间赤平投影作进一步的理论分析，判断出坝基和边坡中的可动块体，以指导岩体稳定性的分析研究和支护设计工作。

The return values of positive and negative storm surge s are important parameters to design disaster-prevention structures in coastal engineering.

风暴增减水重现值是确定港口水工结构、海岸防护工程设计的重要参数。

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