A grey prediction model GM (1, 1) using grey system theory was created to predict the traffic conflicts. Its feasibility was tested by some related tests.
本文将灰色系统理论应用于交通冲突数的预测，建立了交通冲突数的GM(1,1)预测模型，并通过相关检验验证了该方法的可行性。
Elements which influence the urban traffic air, we design a index system and construct the grey decision model to assess the Quality of the air.
分析城市交通环境空气影响因素，设计一套评价指标体系，并建立了环境大气质量评价的灰色决策模型。
The road traffic safety system of the whole nation or a region is a grey system, which could be used to easily ascertain the correlated factors of road traffic accidents.
全国或某一地区的道路交通安全系统是一个灰色系统，可应用灰色关联分析法方便地确定影响交通安全的主要相关因素。
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