jgg     2013 33 (4):  96-99    ISSN: 0412-1961  CN: 21-1139/TG 3D SPACE COORDINATE SYSTEM TRANSFORMATION CONSIDERING  GEODETIC ELEVATION ERROR 1)Engineering Research Center of Coal Mining Exploration,Suzhou University,Suzhou 230000 2)School of Environment Science and Spatial Informatics,China University of Mining and Technology,Xuzhou 221008 Received: 2012-11-18  Revised: null  Online: 2013-08-16 Supporting info