如果缺乏通过可靠信息系统获取的数据，目标的进展就会无从衡量，战略的制定也就无法完善。
Progress cannot be measured and strategies cannot be refined in the absence of data from reliable information systems.
实施井下作业成本核算不仅需要建立和完善内部管理制度，还要有必要的信息系统予以支撑。
Carrying out the cost calculation of underground activity not only needs to set up and perfect the inner management system but also needs information system to back it up.
在城市交通管理部门建立功能完善的智能交通导航信息系统，是改善目前交通现状的有效方法。
In urban traffic management department to establish perfect intelligent traffic navigation information system is to improve the traffic situation at present an effective method.
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