里氏震级 [
lǐ shì zhèn jí]
Richter scale
- 旧金山地震在里氏震级的记录中为7.8,是一场大地震。
The San Francisco earthquake registered 7.8 on the Richter scale, making it a major earthquake. - 这个震级,一般称为里氏震级,可测量地震引起的地面运动。
This scale, commonly known as the Richter scale measures the ground motion caused by an earthquake. - 尽管大地震常以里氏震级来报道,但科学家喜欢用力矩量级来描述大于7.0级的地震。
Although large earthquakes are customarily re ported on the Richter scale, scientists prefer to de scribe earthquakes greater than 7.0 on the moment magnitude scale.
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