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上石%野外测量中、重庆勘狲院*IS中。C一角下、重庆市勘测院GPS成果验审会右、野外数据采集科技兴院 科技立院
Shang Shi % field measurement, Chongqing Kanyuan Institute*IS. Under the corner of C, Chongqing Institute of Surveying and Surveying Survey of GPS Results Right and Field Data Acquisition Science and Technology Institute