http://www.gissky.net- GIS空间站

 通过了解先进国家的地理研究发展状况,可以对自身研究进行清晰的定位,从而促进理论、技术与应用水平的提高,为调控研究的发展方向提供参考。本文对美国现阶段基础性、综合性的地理分析与监测计划进行了介绍。 更多还原

【Abstract】 By understanding the geographic research and development of the advanced countries,the clear positioning of their own research,thereby contributing to raising the level of theory,technique and application to provide a reference for the development direction of the regulation.In this paper,the United States at this stage basic,comprehensive geographic analysis and monitoring program was introduced. 更多还原