They also revealed that the impressive 29-step progression of firework "footprints" that on television appeared to lead across Beijing to the stadium was a computer-generated graphic.

同时，他们透露之前在电视上播出的，跨过北京夜空来到鸟巢的29个令人叹为观止脚印烟花是由电脑制作而成的影像。

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An engineering graphic data warehouse is generated contained geometric shape data and related positional data, which are extracted from XML file.

从XML文件中提取几何形体，并确定其位置关系，形成了工程图形数据仓库。

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Meanwhile, SVG generated by this system can be used as standard graphic interface between EMS and MIS, GIS and so on;

同时，系统生成的SVG还可作为EMS系统与MIS、GIS等系统交互的标准图形接口；

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