全自定义触摸屏演示系统，稳定运行中的应用，ACCESS数据库，可灵活定制人意类型的介质，包括：声音、图像、视频、文字等等，完全由用户完成触摸屏演示。-Custom-wide touch-screen presentation system, and stable operation of the application, ACCESS database, can be flexibly customized desirable types of media, including: voice,