关键词:交通安全;交通事故;事故规律;机动化水平 [gap=1114]Key words: traffic safety; traffic accidents; accident laws; motorization level
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随着机动化水平的不断提高，城市道路交通安全形势日趋严峻。
With a rapid increase in motorization level, the situation of traffic safety on urban roads is becoming a critical issue.
随着城市化进程的加快和机动化水平的提高，道路的交通构成发生了巨大变化。
With the rapid increase of urbanization and motorization, a great change happens in traffic composition in the street.
尽管机动化水平在不断提升，但在阴冷，潮湿，黑暗的地下煤矿里的生活，依旧那么艰苦。
Despite increasing mechanization, life in the cold, dank, dark interiors of a coal mine remains as tough as ever.China Daily.
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