基于计算机的

In order to apply virtual reality technique into medical image processing, make convenient for surgeons to access virtual and mini invasive surgery, this paper, presents a full interactive virtual endoscopy system framework, analyzing and discussing system architecture and algorithm models. We explain some key procedures in virtual endoscopy system such as definition of world coordinate, virtual camera, surface detection, normal approximation, volume rendering and surface rendering, and also some interactive control method.

在综合利用各种计算机图形、图象技术的基础上，提出了完整的交互式虚拟内窥镜系统的框架，同时对系统结构和各种模型进行了分析和讨论，还针对系统的实时性和绘制结果的逼真性要求，提出了基于 Object Cache和扩展的区域增长方法，并将其应用到医学图象处理当中，得到了较好的效果。

PLC is one kind on the basis of technology of digital computer, electronic control device designed to use under the environment of industry specially, adopt it by memory that can programme, it is last user order not to used for,through figure or introductions of simulation /export, finish such functions confirmed as a series of logic , order , timing , counting , operation ,etc., to control all kinds of integrated equipment of electromechanics and production process.

PLC是一种基于数字计算机技术、专为在工业环境下应用而设计的电子控制装置，它采用可编程序的存储器，用来存储用户指令，通过数字或模拟的输入/输出，完成一系列逻辑、顺序、定时、记数、运算等确定的功能，来控制各种类型的机电一体化设备和生产过程。

Based on Wilson\'s lemma on evenly distributed differences, elementary number theory and fundamental theory of finite field, the finite field construction for strict optimal OOCs is proposed and the basic idea of this construction is investigated. The main steps and flow chart of assistance design by computer are obtained.

3基于Wilson均匀分布差引理、初等数论及有限域的基本理论，提出一种严格最佳光正交码的有限域构造法，对该构造法的基本设计思想进行深入的理论分析，得到该构造法计算机辅助设计的主要步骤及流程。

Security vulnerabilities existing in computer systems are the main threats and hidden troubles to the security of current network. Epidemical viruses and hacker invade attacks are mainly based on the vulnerabilities and flaws of the computer system or software.

计算机系统存在的安全漏洞是当前网络的主要安全威胁和隐患，流行的病毒或者黑客入侵攻击多数是基于系统或软件中存在的漏洞的。

It becomes a information exchange site,the exploration project,work area,research production,seismic datum,explainer datum,well datum can be organized into one system,which can share the research production in the exploration project;Through the datum expression of well decision,we can achieve the browsing of work area basemap,the seismic section"s remote display,the well position report"s display,the visual information of well"s wall.The system can lead to a right direction for those expert"s exploration decision .The system runs through all the process of well positon"s decision,deployment and management,which makes the exploration work becoming integrated.Now we can manage the well positon"s decision with computer,which improves work efficiency,condense whole exploration circle.

油田井位部署辅助决策系统以项目数据库的方式将分散在多个研究单位或个人手中的各类图档资料信息集中分类地保存起来，通过该系统使勘探项目、工区、研究成果、地震数据体、解释数据、井数据等有机地组织在一起，使勘探研究成果在勘探项目组内进行了充分共享；基于项目库，系统实现了井位部署决策所需的：工区底图浏览、地震剖面远程显示、井筒信息可视化，为论证专家提供了论证现场所需数据的展示；采用井位聚类分析和模糊数学综合评判决策方法，为井位论证决策提供了基本模型；利用井位部署流程子系统贯穿了井位论证、部署、管理业务的全过程中，使勘探业务有机的整合为一体，实现了井位论证工作的计算机管理。

As an effective measure, the finite element method based Computer Aided Engineering technique can highly improve the success rate of design, shorten the research and development period of die and products.

基于有限元技术的计算机辅助工程（CAE，Computer AidedEngineering）技术作为一种有效的手段，能极大地提高设计的成功率，缩短模具和产品的研究和开发的周期。

As stated, the magnetic medium of a fixed disk is not removable. Your computer probably contains a fixed disk for two reasons:it is much faster at reading and writing information than a floppy drive and it can hold far more information.

正如所述的，硬盘的磁性媒体是不可移动的飞你的计算机可能含有一个硬盘是基于这两个原因：它读写信息的速度远比软盘快得多，而且它能存储多得多的信息。

This paper introduces the formation and functional structure of a computer test system under the condition of network based on Visual Basic.

介绍了网络环境下的基于Visual Basic计算机考试系统的基本组成和功能结构，同时，就题库的建立和管理、随机成卷系统和评分系统等研制的难点进行了分析，并针对其中的关键技术，提出相应的解决方法。

In this paper, a conception of computer measurement system based on virtual instrument idea is presented. The system's flexibility, expandability, interconnection and wide hardware compatibility are also emphasized.

文中提出了基于虚拟仪器的计算机测试系统的技术概念，强调系统功能的用户定义，系统的柔性、可扩充性、可互连性和对硬件设备的广泛兼容性。

Reporter from the country 863 plans " the real time that is based on program behavior to parse judgement independently defends technology " the understanding on this seminar that task group holds arrives, the computer virus in the past a characteristic is " caustic person is not hoggish ", virus fabricant does not get real benefit in the hope transmission from virus.

记者从国家863计划"基于程序行为自主分析判断的实时防护技术"课题组召开的这次研讨会上了解到，过去的计算机病毒一个特点是"损人不利己"，病毒制作者并不指望从病毒的传播中得到实在的利益。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了