... 工程更改等级 » Engineering Change Level 灯光示意 » signal lights 也有一些关于动物的知识 » There are also some knowledge of animal ...
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turn-signal lights 方向灯 ; 转向信号
Traffic Signal Lights 交通信号灯
Signal Lights for Inland Waters 内河号灯
railway signal lights 铁路信号灯
Marine electric signal lights 船用电气号灯
Check rear signal lights 检查后示宽灯
Check front signal lights 检查前示宽灯
signal lights at watercrafts 水上运输工具用信号灯
However, there was no traffic rules regulate these signal lights in China so that the application of these lights is disordered and results in lots of traffic accidents.
但国内对这些信号灯的概念与作用缺乏认识,对其在我国的实际运用效果缺乏研究,也没有相应的交通法规对其进行规范,导致这些信号灯的应用较为混乱。
参考来源 - 交叉口信号控制安全的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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