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On the Tunnel GPS Network Asynchronous Loop Disclosure Difference Limitation
Pages: 58-60
Year: Issue:  3
Journal: Geotechnical Investigation & Surveying

Keyword:  隧道 GPS 横向贯通误差 闭合差;
Abstract: 本文研究了隧道GPS网闭合差限差问题并在某 13km铁路隧道进行了试验 ,计算结果验证了本研究的理论正确、方法可行。
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