Aiming at the shortage of share and operation each other of spatial data and poor interaction in client etc between WebGIS, discusses how to apply the technology of WebService into WebGIS and how to use the technology of Computer Graphic Metafile (CGM) to dynamic release the web map in this paper.
另一方面,针对地理数据的可视化提出可扩展矢量图形(SVG)和计算机图形元文件(CGM)这两种基于网络的矢量图形格式,分别介绍这两种图形的格式和图元元素,并对其文档转换和结构编码进行深入分析。
An analysis of bond valence for synthin Mo-Fe-S cluster compounds;
元件合成钼铁硫簇合物的键价分析