In the system we can import external virtual building model, and add lights, materials and textures for it, to make it more realistic.

利用此系统可导入外部的虚拟建筑模型，并对其添加光照、增加材质和纹理等，使其更具有真实感。

youdao

AXIOM provides a virtual document model it expands on demand, building only as much of the tree structure document model representation as has been requested by the client application.

AXIOM提供了一种可以按需扩展的虚拟文档模型，仅构建客户端应用程序所请求的树结构文档模型表示。

youdao

In the virtual campus domain model, you associate every doorway with a building.

在虚拟校园域模型中，您可以将每个门口与一个大楼关联。

youdao

For more than a year, company execs have been discussing becoming a "mobile virtual network operator, " or MVNO, a model under which a company skips the expensive process of building a national phone network, instead signing on with an existing provider and rebranding its service.

FORBES: An 'Incredible' Marketing Ploy