英语词汇“poulsen arc”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	poulsen arc
释义	poul·sen arc \ˈpau̇lzən-, -lsən-\ noun Usage: usually capitalized P Etymology: after Valdemar Poulsen died 1942 Dan. electrical engineer physics : a direct-current arc formerly used for producing undamped high-frequency oscillations
随便看	precosta precostal pre-crag precritical precrural precuneus precurrent precurse precursive precursor precursory precut precyst precystic pred predaceous predacious predaciousness predacity pre-darwinian pre-darwinianism predate predation predation predation pressure

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