The advantages and disadvantages of several designs for auto-timing controller are analysed.
分析了几种定时开关电器设计方案的利弊；
The paper presents a method of simulation on auto-timing system of traffic lights based on EWB, which has changed the traditional design method, and illustrates the method of design and simulation.
本文介绍了一种基于电子工作台(ewb)软件设计交通信号灯自动定时控制系统的方法，说明了计算机仿真软件在电子实验中的效用。它改变了传统的设计方法。
The system realizes the function of timing, flow regulating, auto spraying, thermostatic controlling, pressure monitoring by connecting the PLC, temperature sensor and pressure sensor.
该系统由PLC与温度、压力传感器组成，实现系统定时、定量、自动喷淋、恒温控制和压力监控的功能。
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