| 单词 | spectrum line |
| 释义 | spectrum line (once / 492472 pages) n WORD FAMILY spectrum line: spectrum lines USAGE EXAMPLESMany geniuses-- including Einstein, Mozart, Newton, Darwin, and Michelangelo-- have been suspected of crossing spectrum lines, so to speak, by displaying all of these characteristics. Scientific American(Jun 10, 2015) This would account for the observed intensity changes of the spectrum lines and the presence of chemical compounds. Todd, David Peck, Astronomy: The Science of the Heave...(2012) When the electron speaks of a spectrum line being shifted up or down the scale, it means towards the violet or the red end respectively. Gibson, Charles R. (Charles Robert), Autobiography of an Electron—Wherei...(2011) n an isolated component of a spectrum formed by radiation at a uniform frequency Hypo|Hyper fine structure the presence of groups of closely spaced spectrum lines observed in the atomic spectrum of certain elements line a mark that is long relative to its width |
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