| 单词 | odd-even |
| 释义 | > as lemmasodd-even odd-even adj. relating to or involving an odd number and an even number; (Nuclear Physics) designating nuclei containing an odd number of protons and an even number of neutrons. ΘΚΠ the world > matter > physics > atomic nucleus > [adjective] > relating to mass number odd-even1899 odd-odd1924 1899 H. E. Cushman tr. W. Windelband Hist. Anc. Philos. a. xxiv. 96 In this way the Pythagorean system got a dualistic cast, which is noticeable in all its parts; but this was theoretically overcome by the fact that since the One, the odd-even primitive number, creates both series from itself, so also all the antitheses of the cosmic life are in a grand harmonious unity. 1949 G. Gamow & C. L. Critchfield Theory Atomic Nucleus iv. 88 δA = 0 for even-even nuclei, = 1 for odd-even nuclei, = 2 for odd-odd nuclei. 1992 Proc. National Acad. Sci. U.S.A. 89 7280/1 For the 28 bands of even-odd or odd-even nuclei in the tables, the extra n or p is considered to occupy an s orbital. 1996 R. Swettenham in J. Borwick Sound Recording Pract. (ed. 4) vii. 156 In some lowerpriced consoles the number of buttons is halved and labelled ‘1-2’, etc., with further ‘odd-even’ switches. < as lemmas |
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