本论文应用地质学和地理信息系统基本原理，以小青井田7煤层地质条件为研究对象。
This paper apply economic geology and geographic information system basic principle, taking small blue well field 7 coal bed geological condition as object of study.
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。
With an introduction of the basic principles of geographic information system (GIS), the paper discussed its application in petroleum exploration and development.
探讨了应用地理信息系统（GIS）方法反演洪水最大淹没水深的基本原理和计算方法。
The principle and algorithm of inversion of spatial distribution of maximum inundated depths of historic floods by use of GIS method are discussed.
介绍了动态分段技术在交通地理信息系统中应用的基本原理和方法，分析了其对线性特征进行管理时的数据模型和数据结构，在实际项目中实现了其应用。
This paper presents a traffic information system based on wireless mesh network, which uses probe vehicles to collect traffic information and transmits the information through wireless mesh network.
介绍了动态分段技术在交通地理信息系统中应用的基本原理和方法，分析了其对线性特征进行管理时的数据模型和数据结构，在实际项目中实现了其应用。
This paper presents a traffic information system based on wireless mesh network, which uses probe vehicles to collect traffic information and transmits the information through wireless mesh network.
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