City basic geographic information system 城市基础地理信息系统
Basic geographic information database system 基础地理信息数据库系统
The paper introduces the basic concept and principle of the technology in Geographic Information System (GIS), discusses some kinds of technology and methods to carry out.
论文介绍了地理信息技术中有关基本概念、原理和方法，探讨了一些实现技术和方法。
The Map Symbol Base System is not only one of the basic functions of Geographic Information System, but also an important research issue in GIS.
地图符号库系统不仅是地理信息系统中不可缺少的基础功能模块之一，也是GIS的一个重要研究课题。
With an introduction of the basic principles of geographic information system (GIS), the paper discussed its application in petroleum exploration and development.
本文在介绍地理信息系统(G IS)基本原理的基础上，论述了它在石油勘探与开发中的应用。
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