电子钟系统。利用数码管显示得到的电子钟系统。精确程度根据晶体震荡确定。-Electronic bell system. Display has been the use of digital electronic bell system. Degree of precision to determine the basis of crystal concussion.

J2ME的一个应用，是一个有趣的电子钟小游戏，游戏不大，但是挺好玩的-A J2ME application, is an interesting electronic clock game, small game, but really fun