jgg     2007 27 (增刊):  122-125    ISSN: 0412-1961  CN: 21-1139/TG DEVELOPMENT AND APPLICATION OF ATOMIC CLOCK Shen Jiling 1,2) ;Guo Tangyong 1,2) ; and Wang Peiyuan 1,2) 1)Institute of Seismology, CEA, Wuhan 4300712)Crustal Movement Laboratory,CEA, Wuhan 430071 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null