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地质图件数据库建库的新概念和新思维——浅谈贯彻ISO/DIS 19117地理信息图示表达国际标准的体会 总被引:1,自引:1,他引:1
在建立全国1∶250万地质图数据库工作中贯彻执行了ISO/DIS19117地理信息图示表达(Geographic information-Portray-al)国际标准,实现了图示属性与数据库和软件的完全脱离,从而达到了彻底甩掉系统库(子图库、符号库、线型库、色标库、花纹库、网纹库)的目标,大大简化了建库工作,并从根本上解决了图元属性与图示属性不一致的矛盾。 相似文献
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Integrated ecosystem assessment for western development of China 总被引:1,自引:0,他引:1
Liu Ji-yuan Masataka Watanabe Yue Tian-xiang Ouyang Hua Deng Xiang-zheng 《地理学报(英文版)》2002,12(2):127-134
The objectives of Integrated Ecosystem Assessment for Western Development of China includes: (1) providing scientific basis
for ecosystem protection, ecosystem management and ecological construction in the western development; (2) developing complete
database and analytical tools and strengthening decision-making support capacity; and (3) improving ecosystem management in
China, spreading ecological knowledge to the public, serving decision-making of local and central governments, and promoting
socio-economic sustainable development. The design and implementation of the project are of significance under the macro background
of western development of China. By the integrated assessment of western China, we can get the first-hand data covering all
the environmental factors as well as disclose the situations and their changing trends of ecosystem in the western part of
China, which will benefit the decision-making for the central and local governments in the implementation of the western development
strategy. In other words, the implementation of the project, to a certain extent, can guarantee the regional sustainable development
of western China. 相似文献
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介绍了基于分布交互式仿真技术基础上的分布交互式作战指挥训练模拟系统及其对军事测绘的要求,分析了地图数据库、地理信息系统(GIS)、遥感(RS)和虚拟现实(VR)等技术的功能,以及它们在分布交互式作战指挥训练模拟系统中的作用和相应的需开展的工作, 相似文献
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