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《Science of Surveying and Mapping》 2010-05
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Accuracy analysis of secondary electronic trigonometric elevation traverse for urban

TANG Qiu-xiang(First Surveying and Mapping Institute of Hunan Province,Hengyang 421001,China)  
This paper analysed error sources based on the secondary electronic trigonometric vertical traverse for urban.At the same time accuracy estimation was made.In the end,it was proved that the method could replace the fifth grade leveling by a case study.
【CateGory Index】: P225.2
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