The geophone often shifts in the offshore seismic exploration, so it should be re-located in interior data processing.
在海上地震勘探中，检波器经常发生漂移，室内资料处理时必须对其进行二次定位。
There are three procedures used in offshore seismic exploration: data gathering, signal processing and interpretation.
海洋地震勘探主要包括数据采集、信号处理和解释三个步骤。
It is critical to make full use of seismic data in offshore petroleum exploration when well data are relatively scarce.
在钻井数量相对少的情况下，充分挖掘利用地震信息来为海洋油气勘探开发服务则至关重要。
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