Constructing a right Angle coordinate will turn practical problems into function problems and this entails the ability of students to develop function modeling.
自建直角坐标系将实际问题转化为函数问题，也是对学生函数建模能力的重要考察。
Thus constructing a mobile GIS framework which could be easily transplanted and has the ability of data interaction is of very necessary.
因此，构建一个具有良好移植性、用户数据交互性的移动GIS框架，显得尤为重要。
It can be used as a reference for the same kind of company to improve its core competition ability through constructing and running MIS.
对供电企业通过构建管理信息系统提高企业核心竞争力有借鉴作用。
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