系统信息

Finally, a reliability model of military information system software based on unascertained set theory and Bayesian Net was proposed.

将未确知集理论和贝叶斯网络应用于军事信息系统软件可靠性建模研究，采用其描述软构件失效特征，计算可靠性参数，并在此基础上构建了一个基于未确知集—贝叶斯网络的军事信息系统软件可靠性模型。

It is studied the relation about the change and unchange of information system scheme,and put forward a new model of information syetem based on 3-Tier.

变革时期的企业信息化具有一些新的特点，本文对此问题进行了探讨，研究了信息系统结构中变与不变的问题，并在此基础之上提出了一种具有良好灵活性与扩展性的三层架构的信息系统模型。

It is discussed about some new characteristics of MIS of tobacco collectivize enterprise in reform times. It is studied the relation about the change and unchange of information system scheme, and put forward a new model of information syetem based on 3-Tier.

变革时期的企业信息化具有一些新的特点，本文对此问题进行了探讨，研究了信息系统结构中变与不变的问题，并在此基础之上提出了一种具有良好灵活性与扩展性的三层架构的信息系统模型。

Oil pump contamination was identified as the reason for an Air France 777 suffering an "uncommanded engine shutdown " on July 1 1998, which caused the plane to be diverted to Tenerife while en route from Sao Paolo to Paris.

航空失事调查局说，目前仍在继续对飞机各系统和发动机进行检查，将进一步检查和分析飞行记录器的信息、飞机各不同系统模块记录的信息，以及可能影响发动机运行的原因。

First, well give some up to date results of research work about security for computer network, analyze what makes current computer network system to be unsecurity, and try to define a security computer network.

由于网络和分布式系统的出现，使用户能共享分布着的信息，用户之间可以通过通信信道交换信息，这对充分利用资源，提高系统性能无疑是十分有益的。

Introducing the idea of fuzzy logic, this paper advances Trust-authorization-based fuzzy access control model and exerts fuzzy synthetic judgment method to calculate subjects' trust worthiness, establishes fuzzy control rules, automatically authorizes subjects' relevant privilege by fuzzy adjudging, which can satisfy requirements of open information system access control.

文中引入模糊逻辑的思想，提出了基于信任授权的模糊访问控制模型，运用模糊综合评判法计算出主体在开放式信息系统中的信任度，并建立模糊控制规则，通过模糊判决自动授予主体相应的权限，使其能够更好的满足开放式信息系统中访问控制的要求。

It has ameliorated the basic environment of education, research and management.

作为整个学校管理信息系统的关键子系统之一，它的作用主要体现在：一是为全校的信息管理系统提供重要的教职员工数据，二是可以有效地提高人事管理部门的工作效率和质量。

According to the theory of information system, this dissertation assays the feasibility and necessary of developing the wild animals management information system.

根据信息系统的理论，本文首先对野生动物管理信息系统开发的可行性、必要性进行了分析。

In open information system, access control is an important measure that assures the information system security.

在开放式信息系统中，访问控制是保证信息系统安全的一项重要措施。

Network information resource integration refers to a new research field that it is wide content, strongly colligated. This paper systemically analyzes and studies the problem of network information resource integration in digital library from theory of integration, policy and method, system and instrument and so on aspects.

网络信息资源整合是一门涉及面广、综合性强的新兴研究领域，本研究主要从整合理论、策略与方法和系统与工具等角度系统分析、研究数字图书馆网络信息资源整合问题。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。