jgg     2014 34 (3):  91-94    ISSN: 0412-1961  CN: 21-1139/TG STUDY ON DEFORMATION PARALLEL COMBINATION PREDICTION  UNDER DIFFERENT RESTRICTION CRITERION 1)College of Geoscience and Surveying Engineering，China University of Mining and Technology，Beijing 100083 2）Geomatics & City Spatial Information School，Henan University of Urban Construction，Pingdingshan 467036 Received: 2013-12-16  Revised: null  Online: 2014-05-28 Supporting info