根据中国铁道学会1987年活动计划,由铁道工程委员会召开的既有铁路测量学术讨论会已于1987年11月20至24日在上海铁道学院学术交流中心举行。到会代表有各铁路局、勘测设计院、铁道院校等23个单位共59人。会议收到学术论文37篇,主要内容有既有铁路测量的目的、要求和作业方法,航测遥感技术在既有铁 According to the program organized by the China Railway Academy in 1987, the existing railway surveying seminar convened by the Railway Engineering Commission was held at the Academic Exchange Center of Shanghai Railway Institute from November 20 to November 24, 1987. Delegates to the railway administration, survey and Design Institute, railway institutions and other 23 units a total of 59 people. The conference received 37 academic papers, the main contents of the existing railway measurement purposes, requirements and methods of operation, aerial survey and remote sensing technology in the existing iron