英语词汇“arcsecond”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	arcsecond
释义	arcsecond (once / 11819311 pages) n WORD FAMILY arcsecond USAGE EXAMPLES To put that into perspective, a microarcsecond is a millionth of an arcsecond. Scientific American(Apr 11, 2014) In a Feb. 17 Bad Astronomy, Phil Plait misstated the width of an arcsecond. Slate(Feb 21, 2014) But these are small angles, typically just fractions of an arcsecond. BBC(Aug 21, 2013) n a 60th part of a minute of arc Syn\|Hyper second angular unit a unit of measurement for angles
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