By VRML, the users of the World Information Network can view spatial model, without being confined to planargraph, image.
通过VRML,全球信息网的使用者可以观赏到立体空间的模型,而不限于二维空间的图形、影像。
2
In essence, 3d ventilation networkgraph is a 'figurative' ventilation networkgraph, and it surpasses the technical level of the conventional planarnetworkgraph.