TY - Journal of Yangtze River Scientific Research Institute A1 - ZHANG Si-hong, JIANG De-jun T1 - Automatic 3D High-precision Monitoring Technology for Surface Displacement: Research and Application Y1 - 2021-01-01 JF - Journal of Yangtze River Scientific Research Institute JO - Journal of Yangtze River Scientific Research Institute SP - 66 EP - 71 VL - 38 IS - 1 UR - http://ckyyb.crsri.cn N1 - 10.11988/ckyyb.20191320 ER -