【正文】
ays conservationquality assessment management system,road management systems,bridge management systems,etc.,which bines engineering,numerical methods and puter technology,for the operation of highgrade highways,conservation with economic and effective design and establishment of adatabase based on the road es off file management off of the highgrade highway through the analysis,the establishment and maintenance of pleted application database technology,Lu off files; Achieving increased data files off the road,delete and modify functions; Lu off and disaggregated statistical data files enquiry system fully utilizes technology of existing informationbased management,have,search rapidly,find out help,dependability high,heavy,privacy kind,longelived,cost low grade advantage of storing improved way quali