对小样本且信息不完全的路面数据库建议采用灰色理论进行分析。
Gray theory is recommended for the evaluation of pavement condition when large samples and complete data are not available.
而采用绿色数据中心，未来五年内节省的95亿千瓦时能耗，相当于从路面上移走1400万辆汽车。
With "greener" data centers, over five years the savings of 9.5 billion kilowatt hours (kWhs) in energy consumption would be equivalent to removing 1.4 million cars from the road.
从数据库构建、属性数据库和空间数据库、路面使用性能评价模型等方面比较详细地介绍了路面管理系统。
Pavement management system was described in detail from the establishment of database, attribute database, spatial database, evaluation model of pavement performance and so on.
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