论文首先浅析了基于地理信息系统(Geographic Information Systems-GIS)的飞机对地自动防撞系统的构成，地形环境要素的输入、飞行防撞轨迹的预测、防撞轨迹的基本要求和约束条件，给出了飞机对地自动防...
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Geographic information systems (GIS) and online mapping applications continue to become more powerful and easier to use every year.
地理信息系统(GIS, Geographic Information System)与在线地图应用服务每年都在变得更强大和易于使用。
This diagram shows how to understand and invoke the findAddress function of the Address Finder web services provided by ESRI, the world-leading vendor of Geographic Information Systems (GIS) software.
此关系图显示了如何理解和调用ESRI提供的Address Finder Web服务的findaddress函数，ESRI是一家全球领先的地理信息系统(GIS)软件供应商。
This research made use of the structured query language (SQL) of the Geographic Information Systems (GIS) to evaluate the soil liquefaction analysis.
这研究利用地理资讯系统(GIS)的查询语言(SQL)来评估土壤液化分析。
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