jgg     2010 30 (Supp.2):  68-74    ISSN: 0412-1961  CN: 21-1139/TG INVESTIGATION ON INTERFERENCE FACTORS OF CROSS-FAULT DEFORMATION OBSERVATION Lou Guanshou 1) ; Zhou Wei 1) ; Jin Peng 2) ; Liu Wenyi 3) ; and Li Jie 2) 1)First Crust Monitoring and Application Center，CEA，Tianjin 3001802)Earthquake Administration of Shandong Province，Jinan 2500143)Second Crust Monitoring and Application Center，CEA，Xi’an 710054 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null