使用信号／插槽以灵活且可维护的方式控制对象间通信要比使用脆弱的回调风格容易得多。
With signals/slots, it is much easier to control communications between objects in a flexible and maintainable manner than it is with a fragile callback style.
交通信号控制机(简称信号机)，对减轻交警工作强度和维护交通安全畅通起着举足轻重的作用。
The traffic signal controller is important for reducing the work intensity of traffic policemen and for increasing the traffic security of roadway.
该系统应用于城市交通信号控制机上采集交通量信息，精度高，安装维护方便，优于传统的电感线圈采集方式。
The system is applied to the city traffic signal control machine, and it shows the system is better than the means using inductance coil for acquisition precision, fixing, etc.
该系统应用于城市交通信号控制机上采集交通量信息，精度高，安装维护方便，优于传统的电感线圈采集方式。
The system is applied to the city traffic signal control machine, and it shows the system is better than the means using inductance coil for acquisition precision, fixing, etc.
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