Main traffic safety problems at highway intersections are found by field survey and analyses, and the corresponding countermeasures are given.
通过实地调查与分析，发现了我国公路平面交叉口存在的主要交通安全问题，并给出了相应的安全改善对策。
This paper analyses on the problems existing in the safety of production in coal mines currently and causes of these problems, and puts forward some corresponding countermeasures.
文章分析了当前煤矿安全生产存在的问题及其成因，提出了相应的解决对策。
On the basis of the basal materials of Beijing traffic safety, this paper analyses the main problems of Beijing traffic safety and gives corresponding countermeasures.
笔者基于北京城市交通安全现状的基础资料，分析了其交通安全面临的主要问题，并提出了相应的对策措施。
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