场景控制：ESC：退出程序 F1：窗口模式或全屏模式的切换 A,S,D,F,J,K,L：分别发出1-7四个音. -Scene control: ESC: exit procedures F1: window mode or full-screen mode switch A, S, D, F, J, K, L: the sound of four separately issued 1-7.

direct3d入门程序，多层纹理、子纹理、光照、窗口模式/独占模式切换等-direct3d entry procedures, multi-texture, sub-texture, lighting, window mode/exclusive mode switching, etc.

ESC：退出程序F1：窗口模式或全屏模式的切换O：打开肥皂的盒子P：关闭肥皂的盒子 非洲盒子模型-ESC: Exit F1: window mode or full-screen mode switch O: Open the soap box P: Turn off the soap box box model in Africa