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《Urban Geotechnical Investigation & Surveying》 2008-05
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Middle Method Trigonometric Leveling in Bridge Main Pillar Subsidence Monitor Application

Zhang Ping,Fu Qiang,Xu ZeRong(ChongQing Survey lnstitute,ChongQing 400020,China)  
This article has carried on the mathematical model establishment and the precision analysis to the middle method trigonometric leveling in the bridge main pillar subsidence monitor's application,and take Chongqing some cross river bridge main pillar subsidence monitor as the example,has carried on the application explanation to this method,the middle method trigonometric leveling solved has been flooded no bridge main pillar subsidence monitor to be unable to use the direct standard to carry on the survey the difficult problem.
【CateGory Index】: P224.2
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