当时警方的肇事报告是不完整的，调查官告诉其父母：超速，驾驶不熟练，道路状况恶劣是关键因素。

While the police report on the crash is incomplete, the investigating officer told the parents excessive speed, inexperience, and poor driving conditions appeared to be the key factors.

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通过对浦东新区一城市道路沥青路面状况的详细调查，描述了沥青路面的损坏方式，分析了产生的原因。

Based on detailed investigation of the condition of the urban road asphalt pavement in Pudong New Area, the way of destruction in the asphalt pavement is described, and the cause analyzed.

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