This paper introduces the basic concepts of com and corba in summary , and makes comparison in detail between com and corba in respect to the basic architecture , the relationship to the os , the developing method and the development environment and so on 本文扼要地介绍了com和corba基本概念，并详细地比较了com与corba在基础构架、系统依赖、实现方式、开发环境等方面的异同。接着，编写了基于com和corba的服务器，比较了它们的性能差异。
One is to reuse by adopting multiple distributed object architectures in a system . the other one is to reuse by adopting a single object architecture . the former method requires to implement the interoperation among various components , while the latter requires to package the heterogeneous components into one kind of component form 满足这种需求有两种办法，一种是同时采用多种的分布式对象基础构架复用构件，另一种是采用一种分布式对象基础构架复用构件对于前者需要考虑异构构件互操作的问题，而后者可通过包装异构构件使之在不同的分布式对象基础构架环境中直接复用。
This paper meets the security requirements of current public information network . having supervised , concluded and summarized a x important project , author analyses the risk of security of the public information network in the round , produces the basic definition and basic structure of security guarantee of public information network system and provides a design directory of constructing any kind of information network security system 本论文作者负责并参与了某重点建设项目的工作归纳和总结，论文从现实的公共信息网络安全需求出发，全面分析了公共信息网络的安全风险，给出了公共信息网络安全保障的基本内容定义，提出了公共信息网络安全保障的基础构架，为各类信息网络安全体系建设提供了一个设计指南。
After the analysis of current market situation , the report has posed " a customer orientated marketing strategy " , emphasizing the value of customer relationship , fostering consumers " loyalty , as well as meeting the exact demand of the customers . these new management models and strategies are generated to fulfill the above - mentioned requirement . the report consists of four major sections 本文在分析了企业营销理念的现状和当前市场状况之后，提出了“以客户为导向的市场营销了理论” ，突出客户价值，培养顾客忠诚度，满足客户的真正需求，并以此为基础构架出了新的企业营销管理模式和营销策略组合。
With the development of information technology such as internet , the ability of seamless integration between management layer and field control layer is required as well as an open infrastructure . ethernet , which is used in office and commercial environment , has gradually entered the industrial control field , and will become the international standard of industrial control field 随着internet等信息技术的发展，要求企业从管理层到现场控制层能实现全面的无缝信息集成，提供一个开放的基础构架，由于以太网的广泛应用，原本用于办公室和商业的以太网逐渐进入了控制领域，有即将成为工业控制领域统一标准的趋势。
