In essence, 3d ventilation network graph is a 'figurative' ventilation network graph, and it surpasses the technical level of the conventional planarnetwork graph.
从本质上说，3d风网图表达的是“具象”的通风网络图，它超越了传统平面网络图的技术层面。
2
By VRML, the users of the World Information Network can view spatial model, without being confined to planar graph, 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。
3
This text begins with the analysis of subjective method testings MRTD, brings up an objective method based on Artificial Neural Network and used planar CCD to measure MRTD.