study on road traffic safety
study on road traffic safety
道路交通安全研究
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Objective to study the pupils knowledge and behaviors of road traffic safety in Chongqing, and to provide guidance for the education on traffic safety.
目的了解重庆市小学生道路交通安全知识及行为状况，为有针对性地开展小学生道路交通安全教育提供依据。
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