三维控件(A3DEngine)，三维操作程序，VC6.0和OpenGL开发的3D物体建模，场景管理 ，虚拟模拟的三维控件,可用于Delphi,VC,VB,PB多种语言开发-Three dimensional control (A3DEngine), the 3D object modeling procedures, 3D, VC6.0 and OpenGL development of three-dimensional virtual simulation scene management,