P波有时被看作纵波，因为它们以更快的传递速度穿越地球内部，因此最先被地震监测站台发现。
P-waves are sometimes known as primary waves, because they travel faster through the Earth and so are the first to arrive at monitoring stations.
纽曼博士与康弗斯先生研发的新系统接入了世界各地几百所地震监测站。
The system Dr Newman and Mr Convers have developed taps into hundreds of seismic monitoring stations around the world.
1960年的智力地震让地球持续震动了若干天。持续的震动被各地的地震观测站测量到。
The Chilean quake of 1960 shook the entire Earth for many days, a phenomenon called oscillation that was measured by seismic stations around the planet.
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