| 单词 | Richter scale |
| 释义 | Word Frequency Richter scale(ˈrɪxtə) noun a scale for expressing the magnitude of an earthquake in terms of the logarithm of the amplitude of the ground wave; values range from 0 to over 9 Compare Mercalli scale , See also magnitude (sense 5)Word origin C20: named after Charles Richter (1900–85), US seismologist |
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