Richter scale

英 ['rɪktəskeɪl] 美 ['rɪktərskeɪl]

• 里克特震级； 里氏震级(共分10级)

英英释义

Noun:

1. a logarithmic scale of 1 to 10 formerly used to express the magnitude of an earthquake on the basis of the size of seismograph oscillations