as rock intece are crossed the elastic characteristics encountered by seismic wavesgenerally change abruptly which causes part of the energy to be reflected back to the suce where it is recorded by seismic instruments
当穿过岩石界面时，地震波遇到的弹性特性通常会突然改变，这导致部分能量被反射回震源，在那里地震仪器就会记录下来
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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