机译:新方法求b值的中国回报期空间分布
Seismological Bureau of Hebei Province, Shijiazhuang 050021, China;
Laboratory of Geophysics, University of Thessaloniki, GR-54006,Thessaloniki, Greece;
Center of Analysis and Prediction, China Seismological Bureau, Beijing 100036, China;
Spatial distribution; Return period; China; b-value;