一个女性的三维网络模型，是一个脚，文件的格式为obj，文件中只有顶点，法向量和面等信息-Three-dimensional network model of a female, is a foot, the format of the file obj, file, only the vertices, normals, and surface information

利用网络、三维地理信息系统、数据库、虚拟仿真以及Open GL 等技术,结合水利工程及大坝安全监控专业知识,以水库大坝枢纽工程为对象,开发了水库大坝安全信息三维可视化系统。-Use of the network, three-dimensional geographical information system, database, virtual simulation, and Open GL and other technologies, combined with hydraulic en