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.
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。
By the study of internal control on SAP, we hope give some help for Chinese enterprises when they carrying internal control in information system such as SAP.
通过对基于SAP的内部控制的研究，希望对我国企业在信息系统环境下进行内部控制提供一定的建议，为提高我国企业的内部控制水平提供帮助。
Tethered aerostat borne radar system is an integrated information system, in which the tethered aerostat is the carrying platform and the radar is the mission system.
系留气球载雷达系统是以系留气球为搭载平台，以雷达为任务系统的一种综合信息系统，在军事和民用领域有着广阔的应用前景。
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