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单词 Richter scale
释义

Richter scale

/ˈrɪktə /
noun Geology
A numerical scale for expressing the magnitude of an earthquake on the basis of seismograph oscillations. The more destructive earthquakes typically have magnitudes between about 5.5 and 8.9; it is a logarithmic scale and a difference of one represents an approximate thirtyfold difference in magnitude.Each unit on the Richter scale represents a thirty-fold increase of energy....
  • Seismographs and the Richter scale are just one type of graph that scientists use to measure the world.
  • Nine on the Richter scale indicates an earthquake of absolutely awesome destructive power.

Origin

1930s: named after Charles F. Richter (1900–85), American geologist.

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更新时间:2024/9/21 0:39:26