Management of requirement and its change is the base of the whole developing process of information system project and one of the critical success factors of the project.
需求及其变更管理是整个信息系统工程开发过程的基础，也是项目成功的关键因素之一。
Requirements volatility (RV) is a common information system project risk that can have severe consequences including cost and schedule overruns and at times, even cancelled projects.
需求波动是信息系统建设中比较常见的风险，很可能造成进度延期、成本超支甚至项目取消。
The project supervision system practiced in the TMIS project construction is the first attempt for the large management information system project.
TMIS工程建设实行工程监理制度，是大型管理信息系统工程的首次尝试。
Meantime, the norms and standards in the actual information-system project are also applied and verified.
同时在实际的信息系统项目中对于所形成的方法和规范进行了应用与验证。
Meantime, the norms and standards in the actual information-system project are also applied and verified.
同时在实际的信息系统项目中对于所形成的方法和规范进行了应用与验证。
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