【摘要】 本文主要以世博为例,介绍对于一些超大范围的综合性工程,建立不同阶段控制网的过程、原则、方法。并介绍对于其中部分重点项目如何单独建立高精度控制网。更多还原

【Abstract】 In this paper, the World Expo project is taken as an example to introduce the process, principles and methods of establishing different stages of control network for some large scale integrated projects.And it also describes how to build a separate high-precision control net for some key projects.更多还原