With reference to the gravity survey, this paper describes the schemes of control network layout used with global positioning system (GPS) technique for Donghai Bridge project over sea.
结合重力测量，介绍利用GPS技术进行东海大桥跨海工程控制网的布设技术方案。
In this paper, the layout principle of control network to survey topography of this dam site and concrete survey method are introduced.
文中论述了该水库坝址测量控制网布设的原则和具体方法。
In this paper, the layout principle of control network to survey topography of this dam site and concrete survey method are introduced.
文中论述了该水库坝址测量控制网布设的原则和具体方法。
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