机译:汶川地震前后中国首都圈不同地区的时间VP / VS变化特征
Institute of Geophysics, China Earthquake Administration, Beijing 100081, China;
Institute of Geophysics, China Earthquake Administration, Beijing 100081, China;
Earthquake Administration of Inner Mongolia Autonomous Region, Hohhot 010051, China;
Institute of Geophysics, China Earthquake Administration, Beijing 100081, China;
Wen'an earthquake; ratio of shear and compressional wave velocities; earthquake prediction;