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。

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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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