多功能数字钟设计 主体功能一个多功能数字钟，包含以下主要功能： 1.计时及校时，时间可以24小时制显示 2.日历：显示年月日，及设定设定功能 3.闪烁调时4.时间日期的快进和快退-Multifunction digital clock features a versatile design the main digital clock, includes the following main functions: 1. Time and school, 24-hour time display 2 calendar: display month, day, and set the setting function 3 flash tune at 4 time and date of the fast-forward and rewind