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。

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

youdao

虚拟建筑是指使用CAD工具和真实感图形绘制技术建造的三维建筑模型。

Virtual Architecture is defined as the 3d model of building, which employ both CAD utensils and Graphics technology.

youdao