说明：  本设计介绍一种以单片机AT89S52为核心的多功能电子日历进行了研究，在实现了电子日历的主要功能的同时还具备时钟和温度计的功能，采用的时钟芯片和温度传感器都是新型的产品，具有较高的实用价值和研究意义。
( The design of a single-chip AT89S52, introduced as the core of the multi-function electronic calendar conducted a study on the electronic calendar in the realization of the main functions at the same time also has the function of the clock and thermometer, using a clock chip and temperature sensors are a new type of products with high research value and practical significance. )