1Pearl River Delta Network——The Source of China's Regional Digital Seismic NetworkWANG Zhengshang, WANG JianguoReview and Prospect1-82Anomaly Extracting of Volumetric Strain of the Huoshan ML4.7 Earthquake by Means of Wavelet-Overrun Rate AnalysisZHENG Haigang, LI Junhui, WANG Xueying, HE Kang, WANG Jun, LI LingliEarthquake Research9-153Compilation and Analysis of 1∶1 Million Seismotectonic Map of Liaoning ProvinceLI Yusen, WAN Bo, QU Le, SUO Rui, LI WeiEarthquake Research16-254Analysis of Observation Quality and Earthquake Reflecting Ability of Borehole Body Strain Meter at Xiaotao Seismic StationQUAN Jianjun, LAI Jianshen, CHEN Shanhua, ZHENG Yongtong, CHEN Meimei, LIN HuiqingEarthquake Research26-335Preliminary Study on the Applicability of NLLoc Method in Fujian AreaZHANG Lina, ZHANG Hongcai, WU Lihua, DUAN Gang, DAI Lijin, LIAO ShirongEarthquake Research34-436Software Design for On-line Quality Monitoring and Evaluation of Hebei Seismic Fluid Data QualitySHAN Lianjun, JIANG Hongyi, WANG Jiamin, ZHANG Xiaogang, SONG Zhigang, WANG JiangEarthquake Research44-497Database Construction of the Seismogenic Structure Study of Lingshan 63/4 Earthquake in Guangxi in 1936PAN Lili, LI XiguangEarthquake Research50-598Simulation of the Interference of Grounding Current on Geoelectric Field ObservationGUO Yuxin, ZHAO Weihong, LI Yu, ZHANG Qian, GAO XiweiEarthquake Research60-649Characteristics of Some Data Anomalies at Korla Seismic Station before Kuche MS5.6 Earthquake on January 16th,2020DUAN Shaoxin, ZHANG sen, DENG Mingwen, LIU Qingshan, ZHANG Xiaofei, LI ShanshanEarthquake Research65-7210Wavelet Multi Scale Analysis of Satellite Gravity Changes before Nepal MW7.8 EarthquakeLIU XiaoEarthquake Research73-7711Research on Support Vector Regression Constraint to Remove Fault Shadows-A Case Study of an oil Field in the Pearl River Estuary Basin,South China SeaYANG Xiaojiang, WEN Xiaotao, WANG Yahui, YAN Zhenghe, HOU KaiMarine geophysics78-8312Research on the Application of the Difference with or without Ground Control Points in Earthquake Based on UAV Photogrammetry TechnologyLIU Chao, DU Peng, WANG Yin, YU Sihan, YANG ShunScience of Surveying and Mapping84-9313Several Optimization Methods for Aerial Triangulation Results in Oblique PhotographyWU XianwenScience of Surveying and Mapping94-10114Application of StaMPS to Monitor the Spatial and Temporal Evolution of Surface Subsidence in HuizhouLUO Li, WANG BinScience of Surveying and Mapping102-10715Study on Vulnerability of Masonry Structure in Yunnan Based on Seismic Damage DataZHONG Jiangrong, ZHANG Lingxin, SHEN JunkaiCivil Engineering Earthquake Prevention and Disaster Reduction108-11616Earthquake Power Spectrum for Seismic Design of High-Rise Buildings in Guangdong ProvinceCUI Wei, XIAN Jianhua, SU ChengCivil Engineering Earthquake Prevention and Disaster Reduction117-12217Study on Roof Isolation Design of Long Span Space Grid StructureJIA Xiaxia, SHEN Chaoyong, HUANG Xiangyun, LI JingyangCivil Engineering Earthquake Prevention and Disaster Reduction123-13118Analysis of the Influence of Grouting Thickness of Surrounding Rock at the Entrance of Mountain Tunnel on Anti-Seismic EffectLU Dewen, LIANG Qingguo, XIONG YulianCivil Engineering Earthquake Prevention and Disaster Reduction132-13619Research on the Limit Value of Aspect Ratio of the Frame and Shear Wall Isolation Structure of a High-Rise BuildingSUN Rong, QI YinanCivil Engineering Earthquake Prevention and Disaster Reduction137-145