用电子表改装的电子报时钟张海电子表以其价格低廉、走时精确、使用方便、功能多而受到广大用户的喜爱。但有报时声音小的缺点。本文介绍用多功能体育电子表改装的两种报时钟，可以克服这个缺点。这两种电子报时钟具有整点程控报时的功能，一种为音乐报时，一种汉语报时。... Electronic watch modified electronic clock Zhang Hai electronic watches with its low price, accurate travel time, easy to use, multi-function and loved by the majority of users. But the shortcomings of a small voice. This article describes the use of multi-sports electronic watch modified two kinds of clock, you can overcome this shortcoming. These two kinds of electronic clock have the whole point of the program-controlled timekeeping function, a music time, a Chinese timekeeping. ...