Richter magnitude scale里氏震级;震级
Richter scale Scale里克特量表
Richter r scale里克特
Richter ĥ Scale里氏震级
Richter E Scale里氏震级
Five on the Open-Ended Richter-Scale唱片名
on the Richter scale里氏八级
Aprilexisted Richter Scale里氏震地级
ended Richter Scale里氏地震级
N-SING（单数型名词） The Richter scale is a scale which is used for measuring how severe an earthquake is. (地震)里氏级 ['the' N]
An earthquake measuring 6.1 on the Richter Scale struck California yesterday.
昨天加利福尼亚发生了里氏6.1级地震。