常見例句用作名詞 (n.)The magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded on a seismogram at a certain period.地震級別是根據(jù)某一時(shí)期震動(dòng)圖記錄的地震波振幅的對數(shù)值計(jì)算的。 返回 seismogram