hypocentre focus的用法和樣例：
例句
- The focus of the earthquake is eighty miles from our city.
這次地震的震源在距我市八十英里的地方。 - A possible mechanism for the generation of deep focus earthquakes is faulting caused by olivine undergoing a phase transition into a spinel structure.
發(fā)生深層震源地震的機制可能是由于橄欖石經(jīng)歷了到針狀結構的相變而產(chǎn)生的斷層作用。
