说明：  本程序采用Visual C++的MFC编制，演示了二维和三维云图简单绘制，在工程中经常被使用，建议初学者下载使用。
(This program is developed in MFC using Visual C++and demonstrates the simple drawing of 2D and 3D cloud maps. It is often used in engineering and is recommended for beginners to download and use.)