本计时系统主要有两个模块：综合计时电路、调整控制电路。显示部分电路未给出设计图，其中综合计时电路用于完成各种计时的功能，调整控制电路用于调整计时系统的有关参数-The timing system has two main modules: integrated timing circuit to adjust the control circuit. Shows part of the circuit design is not given, of which integrated time c