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一、前言 航空测量在新线测图上的应用已较普遍,路内各勘测设计单位都积累了较丰富的经验,但航测在既有铁路线上的应用还不够普及,铁道部专业设计院曾于1960年对京广铁路安阳至余家湾740公里的一段线路进行了航空测量,为京广铁路的运营、管理和技术改造提供了可靠的资料。1979年应郑州铁路局的要求又进行
I. Preface The application of aerial survey on the survey of new lines has become more common. Each survey and design agency in the road has accumulated rich experience. However, the application of aerial survey on the existing railway lines is not yet widely used. The Ministry of Railways Specialized Design Institute In 1960, an aerospace survey was conducted on a section of 740 km from Anyang to Yujia Bay on the Jing-Guang Railroad, providing reliable information for the operation, management and technical transformation of the Jing-Guang Railroad. 1979 Zhengzhou Railway Bureau should be carried out again