单词	mass spectrum
释义	mass spectrum noun : the spectrum of a stream of gaseous ions separated according to their differing mass and charge Example Sentences Recent Examples on the Web The end readout is various peaks on a gas chromatogram, with each peak having a unique mass spectrum, allowing for the unambiguous identification of specific compounds. Beth Mole, Ars Technica, 15 Apr. 2022 Word History First Known Use 1920, in the meaning defined above Medical Definition mass spectrum noun : the spectrum of a stream of gaseous ions separated according to their mass and charge
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