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单词 Richter scale
释义

Definition of Richter scale in English:

Richter scale

nounˈrɪktəˈrɪktər ˌskeɪl
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.

    Example sentencesExamples
    • Nine on the Richter scale indicates an earthquake of absolutely awesome destructive power.
    • In the last hundred years, there have been about 20 earthquakes of 6 to 7.7 magnitude on the Richter scale under the sea.
    • Each unit on the Richter scale represents a thirty-fold increase of energy.
    • The earthquake had a magnitude of 7.2 on the Richter scale.
    • Seismographs and the Richter scale are just one type of graph that scientists use to measure the world.

Origin

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

 
 

Definition of Richter scale in US English:

Richter scale

nounˈriktər ˌskālˈrɪktər ˌskeɪl
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; the scale is logarithmic and a difference of one represents an approximate thirtyfold difference in magnitude.

    Example sentencesExamples
    • The earthquake had a magnitude of 7.2 on the Richter scale.
    • Nine on the Richter scale indicates an earthquake of absolutely awesome destructive power.
    • Each unit on the Richter scale represents a thirty-fold increase of energy.
    • In the last hundred years, there have been about 20 earthquakes of 6 to 7.7 magnitude on the Richter scale under the sea.
    • Seismographs and the Richter scale are just one type of graph that scientists use to measure the world.

Origin

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

 
 
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更新时间:2024/12/23 11:24:58