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在地震勘探仪器中，数字存储技术是一项较新的技术。
The digital storage technique is a newer technique in seismographs of seismic exploration.
特别是地震勘探仪器的使用和维修常常要用到不同精度的信号源。
Especially, the signal generators in different precision are often used for use and maintenance of seismic apparatus.
常用地震勘探仪器延迟时的测试方法存在测试结果误差较大的问题。
Common-used test method for delay of seismic apparatus had the problem that there were large errors in test results.
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