Seismotectonics in the Three Gorges reservoir area is investigated by using the P-wave tomography with earthquakes that ......

Buried faults in Weifang city and surrounding areas are studied with geophysical surveys such as shallow seismic survey ......

对网球正手击球的动作特点、难点进行解析,并对网球正手击球动作从生物力学角度进行分析,阐述了正手击球的技术限制性因素及正手击......