Because each model in VRML is created in local coordinate system, inconvenient to handle them uniformly, this paper infers a universal formula to transform modelcoordinates from UCS to WCS.
The Project Model Manager coordinates with each Business Analyst by providing a pointer to a workspace that can be opened in the appropriate tool.
通过提供一个指向可以在合适工具中打开的工作区，项目模型管理员可以与每一个业务分析员相协调。
3
An abstract object-oriented model for power network topology is built up and an automatic generation method of primary topology is introduced, which applies the model and system vector coordinates.