VRML 虚拟建模语言 实例程序，实现3d建主，需要插件 才能在浏览器上用,Virtual Modeling Language VRML example procedures, the realization of 3d building owners, the need for browser plug-ins can be used

基于activex编写的osg插件，嵌入ie浏览器内使用(OSG plug-in written based on ActiveX, embedded in the IE browser)