海底地震仪

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This page is a translated version of the page Dictionary:Ocean-bottom seismometer (OBS) and the translation is 50% complete.
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{{#category_index:O|ocean-bottom seismometer (OBS)}} A seismometer designed for planting on the sea floor, usually 3- or 4-component (three mutually orthogonal geophones plus a hydrophone). See also ocean-bottom cable.

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