the Richter scale

劍橋詞典

a system used to measure the strength of an earthquake
里克特震級(jí)，里氏震級(jí)
The earthquake in Mexico City registered 7.1 on the Richter scale . 發(fā)生在墨西哥城的地震震級(jí)為里氏7.1級(jí)。 返回 the Richter scale