虚拟现实技术中的一个实例，一个虚拟空间，需要安装VrmlPad或cosmoworlds等相关软件运行需要有BS_Contact_VRML-X3D_62.exe- Virtual reality technology in an example of a virtual space, need to install VrmlPad or cosmoworlds and other related software required to run has BS_Contact_VRML-X3D_