本例代码需要专门的vrml浏览器浏览，本例代码是地质表面，可以使用texture为地表贴图，在建大型三维地质场景时可以直接链接此例插入场景-This case, the code requires specialized vrml browser browsing this case, the code is a geological surface, you can use the texture surface texture in the construction of large thr