jgg     2009 29 (1):  148-151    ISSN: 0412-1961  CN: 21-1139/TG RESEARCH ON METHODS FOR PREDICTING CLOCK ERROR BASED ON DOMECTIC HYDROGEN ATOMIC CLOCK Zhu Lingfeng; Li Chao; Liu Li; Chen Liucheng; and Dong Enqiang P．O．Box 5136，Beijing 100094 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null