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The Studying and Developing of Chinese Railway Environment Protection DBS

 Shan Xuelun,et al Research Institute of Industrial Hygiene of Railway Ministry (100038)  
This DBS is covering Chinese Railway system.It consists of five subsystems:environment supervision subsystem,environment control subsystem,environment effect evaluation subsystem,environment treatment subsystem and public data base subsystem.This DBS had been debugged and tried out since May,1997.In November,1997,it was passed the appraisal of Ministry of Railway.Now it has been entering the phase of spread and uses.
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