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单词 seismic wave
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seismic wave
seismic wave n. an elastic wave in the earth produced by an earthquake or by artificial means.
ΚΠ
1900 H. Nagaoka Elastic Constants of Rocks & Velocity of Seismic Waves (Publ. Earthquake Investigation Comm. in Foreign Languages No. 4) 65 The investigation of the seismic waves affords the best means of feeling the pulse of the interior of the earth.
1925 M. Mühlberg in I. A. Stigand Outl. Occurrence & Geol. of Petroleum 217 The transmissive velocity for seismic (as also acoustic) waves is different in various media.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) XII. 147/1 Seismic waves from explosions and earthquakes occur in the frequency range from about 100 to 1/3000 cps.
extracted from seismicadj.
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