For example, for information technology systems, a change control system can include the specifications scripts, source code, data definition language, etc.
例如，对于信息技术系统而言，变更控制系统可以包括每一软件组件的技术规定说明书(脚本、源代码、数据定义语言等)。
For example, for information technology systems, a change control system can include the specificationsscripts, source code, data definition language, etc. for each software component.
例如，对于信息技术系统而言，变更控制系统可以包括每一软件组件的技术规定说明书脚本、源代码、数据定义语言等。
The definition of parameter estimability is proposed for parameter estimation problem with finite measurement information based on the definition of system estimability.
基于系统可估计性定义，本文根据有限测量信息的参数估计问题特点，提出了系统的参数可估计性定义；
Through the analysis of the definition of the rigidity of the information system, a metric index of the rigidity of the information system is given on the perspective of the cost at last.
最后通过对信息系统刚性的定义进行分析，从成本的角度给出了过程变化下信息系统刚性的度量指标。
For example, for information technology systems, a change control system can include the specifications (scripts, source code, data definition language, etc.) for each software component.
例如，对于信息技术系统而言，变更控制系统可以包括每一软件组件的技术规定说明书(脚本、源代码、数据定义语言等)。
Based of a definition of requirements volatility and literature review, the causes and impacts of RV on information system project performance were summarized, 28 volatility factors were proposed.
论文首先从需求波动的定义和文献综述出发，总结了需求波动形成的原因及影响，获得了28个波动风险因素。
The part presents the definition of requirement modeling research of information system. It introduces two basic modeling methods: method based on environment case and on knowledge.
该部分主要是提出了信息系统需求建模的定义，介绍了需求建模的的两种基本方法：基于情景实例的方法和基于知识的方法。
Definition: a system of paying for goods or services by moving a credit card or mobile phone in front of a special machine which automatically reads the information.
定义：一个自动付费系统，消费者只需要在特殊的机器前挥动信用卡或手机，信息就会自动被读取。
A definition of data updating of forest resource management information system is given after describing a general process of forest dynamics.
在描述一般森林资源动态过程的基础上，定义了数据更新。
In this paper, the concept of non-symmetric similarity relation had been used to formulate a new definition of approximation to an incomplete information system.
定义了非对称相似关系的近似集概念，提出了一种利用非对称相似关系下近似集和属性值对的基于粗糙集的确定规则推理算法。
In this paper, the concept of non-symmetric similarity relation had been used to formulate a new definition of approximation to an incomplete information system.
定义了非对称相似关系的近似集概念，提出了一种利用非对称相似关系下近似集和属性值对的基于粗糙集的确定规则推理算法。
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