P波和Pn波速度
P wave and Pn wave velocities
P波速度变化
P-wave velocity variation
S波速度结构
S velocity structure
S wave velocity
structure of S wave velocity
velocity structure
S-wave velocity structure
S wave velocity structure
S-wave velocity crustal structure
波速+电阻率
wave velocity plus resistivity
波速比异常
Anomaly of Seismic Velocity Ratio
intersection method
Velocity ratio anomaly
波速参考点
The recording site of pulse wave velocity
PWV reference point