单词	seismometer
释义	seismometer /sʌɪzˈmɒmɪtə / noun Another term for seismograph.For three years, the seismometers recorded how seismic waves from hundreds of earthquakes worldwide bounced through the mantle.... When drilling is completed in August, the entire borehole will be encased in steel and cement so that sensitive instruments - such as seismometers, strainmeters, and fluid and temperature gauges - can be installed underground. Between 1993 and 2002, seismometers detected 120 subglacial quakes along the east and west coasts of Greenland, 6 in Antarctica, and 1 in Alaska.
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