ADSL上网计时程序，自动检测因特网联接，每分钟更新一次计费时间，自动检测是否超过19.5小时，主要给计时的ADSL用户的。-ADSL Internet access timing procedures, automatically detects the Internet connection, updated every minute billing time, automatically detect if more than 19.5 hours, mainly to the timin

停车场管理系统的源代码 可以实现停车，计时，计费等功能-Parking management system source code can stop, timing, billing and other functions

小巧、高效的网吧计费软件服务器端。支持开户、计时和结账功能。配合阳阳网吧软件客户端使用-Compact and efficient Internet cafe billing software server-side. Support to open an account, timing and checkout functionality. With Yangyang cafe software client