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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"We like to survey the circuits with GPS (Global Positioning Systems) and I think that gives you the ability to very accurately put those parameters into your simulation tools, " he said.

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