论文部分内容阅读
在现代都市交通生活中,人们无论是驾车上路,还是骑车或步行随处可见形形色色的交通标志,它已经成为道路交通的重要组成部分,也是人们在交通生活中必须要掌握的基本常识。那么,你可曾知道它的来历吗? 交通标志牌是用条形符号和文字传递特定信息,用以管理交通的安全设施。它的起源最早可以追溯
In the modern urban traffic life, people have become the important part of road traffic and the basic common knowledge that people must master in traffic life, no matter they are driving on the road or riding various traffic signs or walking everywhere. So, did you ever know its origins? Traffic signs are the use of bar-shaped symbols and text delivery of specific information to manage traffic safety facilities. Its origins can be traced back to the earliest