常見例句雙語例句This falls in the extremely low frequency (ELF) range which includes frequencies up to 300 Hz.這種頻率屬於極低頻的頻率範(fàn)圍內(nèi),通常極低頻的頻帶範(fàn)圍也在300Hz以下。The ELF (extremely low frequency) waves cause entrainment of millions of Americans to occur, possibly to influence the election.超低頻波影響造成數(shù)以百萬計的美國人,可能影響選情。Objective To study the effects of extremely low frequency electromagnetic field(ELF EMF) and its combination with lead on the antioxidant system in mouse brain and liver tissues.目的研究極低頻電磁場及其與鉛的聯(lián)郃作用對小鼠腦和肝髒抗氧化系統(tǒng)的影響。http://dj.iciba.com 返回 ELF extremely low frequency