1Sliding Mode Control of a New Active Variable Stiffness SystemTAN Ping, ZHOU Fulin1-102Evaluation of Seismic Monitoring Ability for Various Kinds of Precursor Means in Chinese Seismic NetworkWU Fuchun, FANG Wei, PAN Cunying, LI Ruihua11-173The Difference between Strain Precursors within Seismic Source and Seismic Field Regions and Three-dimension Finite Element ModelingLI Qicheng, NIU Guanglin, REN Changyu18-254A Study on Displacement-based Aseismic Design MethodLEI Lei, HAN Xiaolei, ZHENG Yi26-325Characteristics Analysis of the Stress Field in Gansu and Its Adjacent Region with Various Focal Mechanism SolutionsZHANG Hui, LIU Xiaofeng, ZHAO Lingyun33-396Research on Time and Spatial Characteristics of Strong Earthquakes in ChinaCHEN Lijun, CHEN Xiaofeng, LI Pinzhong40-487Scenarios Analysis on Earthquake Emergency Preparedness Plans for Daqing OilfieldCONG Peitong, CHEN CUNEN, BO Jingshan49-558Regionalization of Earthquake-induced Flood Based on AHPLI Zhen56-619A New Method of Earthquake Analysis Based on Oceanic Crust Current TheoryZHAO Dayong, LIU Shinian, WU Qiliang62-6810A Contrastive Study on Co-seismic Change of Water Level and Water Temperature of Liangxiang and Zaogezhuang Wells in BeiJingCHEN Daqing, WAN Yongfang, ZHAO Mingli69-7511Comparative Analysis of Vector Magnetometer and Fluxgate Magnetometer at Zhaoqing Geomagnetic ObservatoryLU Jinghui, LI Xiaozhi, QIU Hongwei, HE Ting76-8512A Study on Construction Quality and Earthquake Resistance Capability of the Buildings in CityHE Zhaoquan86-8913Consideration of Earthquake Resistance Protection in Urban AreaWANG ShengzeSoft Science90-9314Editorial Process on the NetworkYAO Minghui, SU Zeyun, XU BingSoft Science94-97