秒表/时钟计时器是在一种计时器上实现两种基本功能的一种器件。它广泛应用于各种场所，同时，它以其小巧，价格低廉，走时精度高，使用方便，功能多，便于集成化。-Stopwatch/clock timer is a device on a timer to achieve two basic functions. It is widely used in various places, the same time, its compact, low cost, travel time and high