1An easy approach to the long term prediction of strong earthquakes in "stable" area--taking Zhangbei earthquake as exampleDIAO Gui-ling, ZHANG Si-chang, GAO Jing-chun, WANG Qin-cai, ZHAO Ying-ping1-52The application study of the predict method of the gray and the method of least square in the earthquake array strong aftershockPING Jian-jun, LIU Rong-huan, JIA Jiong, CAO Su-chao, WANG Li-jun6-133Brief introduction of calculation software and its operating explanation of earthquake array strong aftershock responding fast gray predictPING Jian-jun, JIA Jiong, LIU Rong-huan, CAO Su-chao, WANG Li-jun14-214Inversing the Q value and site response in middle and west part of Inner Mongolia with genetic algorithmDING Feng-he, GAO Li-xin22-265Study on the magnitude problem in quick report for strong earthquake in Hebei digital telemetered seismic networkZHANG Cong-zhen, ZHAO Ming-chun, GAO Jing-chun27-316The relation of geomagnetic anomalies in Gaoyou Seismostation with earthquakes in Jiangsu and its neighboring regionJIANG Yan-lin, ZHAO Wei-hong, ZHAO Yong-hong, WANG Fu-cai, ZHANG Qian32-367Study on geomagnetic anomalies in amplitude ratio before earthquakeXIE Yong-ming, JU Yong, HAN He-ping, QIAO Zi-yun, WANG Yan-rong37-40,368Study on geomagnetic anomalies in Changli SeismostationWANG Na, WANG Yun-di, LI Yu-hua, YUE Xiu-xia, WANG Yan-rong41-459Identification of the special seismic phases in the data recorded by Shanghai seismic array with FK scan technologyWANG Xiao-ping, ZHU Yuan-qing, YU Hai-ying, QIN Hao-wen46-5110Study on the relationship between seismo-magnetic effects and seismicity in west Gansu and its adjacent area with higher-order statisticsYANG Tao, LIU Qing-sheng, FU Yuan-yuan, LI Xi-jing, LEI Gong-ming52-5611Reconstruction of Yangyuan Seismostation--the elimination of interference in earth resistivity observationHAN He-ping, WANG Chang-jiang, Ren Jia, KANG You-ming, WANG Rui-feng57-5912Conditions and methods to ensure the operation of digital seismic precursory devices normallyZHANG Shi-min, SHU You-liang, BAI Ke-mang, LI Jian-zhang60-6213The seismic activity in Hebei and North China area in 200463-64