此程序是本人按老板要求开发的自动打铃软件，结合使用电脑，可以设置何时自动打铃以及打铃的时长等。-This procedure is in accordance with my boss calls for the development of auto-play Ling software, combined with the use of computers can be set up automatically when the fight bell and bell playing, such as the length of time.