| 单词 | mass number |
| 释义 | mass number (once / 1688473 pages) n WORD FAMILY mass number USAGE EXAMPLESCombined with the diameter, the mass number showed that Kepler-10c cannot be a gaseous world but must comprise very dense material. BBC(Jun 02, 2014) If you walk into Best Buy, it's rather overwhelming to look at the mass number available. Inc(Feb 23, 2011) In the black peaty mass Number 5, fragments of wood of the oak, yew, and fir have been recognised. Lyell, Charles, Sir, The Antiquity of Man(2010) n the sum of the number of neutrons and protons in an atomic nucleus Syn|Hyper nucleon number mass unit a unit of measurement for mass |
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