Asphalt pavement performance database and rich text maintenance strategy information database are employed by reasoning mechanism.
基于关系数据库建立了沥青路面使用性能数据库，采用图文格式建立了养护维修知识库；
Asphalt pavement performance database and rich text maintenance strategy information database are employed by reasoning mechanism.
基于关系数据库建立了沥青路面使用性能数据库，采用图文格式建立了养护维修知识库；
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