计算机系统

Davis give the management information system relatively integrated definition, in immediate future administer the information system is one use calculating machine software and hardware resources along with data bank man - the engine system.

1985年，告诫信息系统的创始人，标题尼蔌达大学管理学教授戈登戴维斯提供的管理信息系统的比较完整的定义，在不久的将来管理信息系统是一种使用数据计算与银行计算机软件和硬件资源男子-发动机系统。

Through analyzing report forms format of IEC 60 870-5104 stipulation,as well as considering computer monitoring system of 330kV Dashimen and Jingyang substation and experiences of provincial dispatching system,the paper studies some command flow,and provides technical safeguard for provincial dispatching automation system adopting network stipulations transmission process.

通过分析IEC 60 870-5-104规约的报文格式，借鉴330 kV景阳变、大石门变计算机监控系统和省调自动化系统的联调经验，研究了规约的各种命令流程，为省调自动化系统采用网络规约传输提供了技术保障，同时也极大地丰富了调度自动化系统的应用范围。

Computer technologies including interruption technology, DMA technology, EMS technology and XMS technology are integrated in the system. The two key problems, real time multi-task processing and multi-circle uninterrupted measuring are effectively solved. Owing to the adoption of objectoriented technology, the software structure of the developing system is greatly simplified. As a result, the developing efficiency of the software is greatly improved.

本研究初步完成了电控开发系统的开发，该系统利用PC机和通用功能板等标准硬件，并开发了测控接口板和功率驱动板等专用部件，使所开发的电控开发系统具有开放式和组合式结构，减少了电控开发系统的成本，并使其具有很好的适应性和发展性，通过综合运用中断技术、DMA技术以及EMS和XMS技术等多项计算机技术，使电控开发系统不仅具有了ECU的功能，而且还具有多参数多循环同步测量和实时人机交互处理等能力。

At last, the paper introduces the basic components, layout, loading and unloading process flow of Tian Jin Container Terminals, evaluates the related performance parameters and at last introduces some related empiristic formulas based on the historical data of an actual terminal.According to the idea of the finished eM-Plant hiberarchy and dynamic model and the process characteristics and simulation aims of Container Terminals, the paper introduce the characteristics and modelling process of discrete event;At the specification of eM-Plant ,the paper show the modelling unit and programming function of eM-Plant detailedly .

根据天津港集装箱码头物流系统的层次模型和动态模型的思路，以天津港码头的数据为原型，根据天津港集装箱码头生产作业的特点与仿真目标的要求，介绍了离散事件系统的特点和对离散系统仿真的步骤，在eM-Plant的主要特点说明中，详细介绍了eM-Plant的建模单元和其编程功能，针对本模型的特点，说明了模型的结构和仿真目标，在保持模型主要特点和功能的前提下对模型进行了必要的抽象和简化，然后借助现代离散事件动态系统仿真语言eM-PIant，建立了集装箱码头物流系统的计算机仿真模型，并利用码头的实际营运数据验证了仿真模型的可靠性。

Who communicates by letter, business synthesizing service as a telecommunication , data and information network to be in motion and do business, advantage , broad customer resource and fine cooperation concern the have distinctive telecommunication background , tremendous technology and fund, The company is engaged in synthetical telecommunication serving , synthesizing information service , broadband access , computer network information system integration , intelligent building structure-rization synthetical arrangement of wire system , building world automation navar , data telephone programme-controlled telephone switching boards system , video frequency convention system and so on mainly; Be in the data communication field , the new net of halo especially .

北京光环新网数字技术有限公司是北京通信光环电信集团下属的一家股份制公司，作为一个电信、数据和信息网络综合服务运营商，具有独特的电信背景、雄厚的技术和资金优势、广泛的客户资源和良好的合作关系，公司主要从事综合电信服务、综合信息服务、宽带接入、计算机网络信息系统集成、智能大厦结构化综合布线系统、楼宇自动化控制系统、数据电话程控交换机系统、视频会议系统等；尤其在数据通讯领域，光环新网公司拥有其它公司无法比拟的综合技术实力和线路网络资源优势。

E. , the design, layout, disposition, consulation, dynamic simulation, economical evaluation and optimization. The software to study MHS is formulated. The researched results of the paper can be applied to general nonautomatic production lines.

分析了物流系统各个因素对整体效益的影响，研究了板料FMS物流系统的规划设计、系统配置、系统咨询、计算机动态仿真、经济效益评价及优化设计的全过程，编制出相应的软件SLODAB，并对北京广播器材厂即将建立的板料FMS物流系统提出了初步设计方案并进行物流设备的配置。

Urgently, it is necessary and faces new opportunities that to have Business Intelligence application in China's agricultural informatization construction. The BI-based Agricultural Informatization System syncretizes technologies such as computer network and communications, BI, Knowledge Engineering and Expert System, Decision Support System, 3S technology, Multimedia Network, and comprehensive information integration.

基于商务智能的农业信息化系统融合了计算机网络与通信技术、商务智能的关键技术、知识工程与专家系统技术、决策支持系统技术、3S技术、多媒体网络技术、信息技术综合集成技术等多种关键技术，在一定的软硬件及开发工具的基础上，将根据需求设计系统模块结构，从而设计出系统总体框架及功能。

The system consists of cavity coupled ECR microwave plasma source, vacuum system, gas distributing system,d etecting and analysis system and computerized data collecting and controlling system and is provided with a RHEED with differential pumping structure for in-situ real-time monitoring in atom size.

一种宽运行气压范围无离子损伤的ECR微波等离子体增强低温外延系统与技术，系统由腔耦合型ECR微波等离子体源、真空系统、配气系统、检测与分析及计算机数据采集与控制系统组成；配置有带差分抽气结构的RHEED，可实现原子尺度控制生长的原位实时监测。

According to the technology trend of computer control system and modern network, the article puts forward software project for Supervisory Control System, whose practical background is supervisory control system software in material testing center. The system model is introduced including three-tie star network based Browser/Server, and the architecture of network and locale workstation by the effective sustainable development pattern.

本文根据计算机监控系统的技术发展趋势，结合了现代网络技术，以材料试验中心的监控系统软件环境为工程背景，提出了基于Web技术监控软件系统方案，系统模型采用基于浏览器/服务器的三层星形网络结构，网络系统平台和现场工作站的建设方案采用适合于建设实际的可持续发展的建设模式。

The company's main business includes: installation of network cabling project services, cable / fiber jumper / pigtail products such as optical fiber system, the whole room works, security surveillance systems, broadcasting systems, mine grounding, computer network Systems integration, network optimization, network planning and design, safety assessment system, network management consulting, and network equipment sales.

公司的主要业务包括：网络布线工程安装服务、光缆/光纤跳线/尾纤等光纤系统产品、整体机房工程、安防监控系统、广播系统、防雷接地；计算机网络系统集成、网络优化、网络规划设计、系统安全评估、网络管理咨询、网络设备销售。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。