杭创排队叫号系统培训资料，开发医院影像叫号系统的的朋友可以参考。-Hang Chong queuing system training materials, development of hospital video calling system can refer a friend.

有关影像硬件相关资料,有关CCD等硬件参数介绍(Hardware related information about image and hardware parameters such as CCD)