“null set”的概念、定义、翻译、参考文献-科学参考

单词	null set
释义	null set [`nǝl `set] ^MATHEMATICS The empty set; the set which contains no elements.
随便看	azeotrope azeotropic mixture azide azimino azimuth azimuth-adjustment slide rule azimuthal chart azimuthal equidistant chart azimuth alignment azimuthal map projection azimuthal orthomorphic projection azimuthal quantum number azimuth angle azimuth-angle indicator azimuth bar azimuth blanking azimuth circle azimuth compass azimuth deviation azimuth dial azimuth equation azimuth error azimuth gain reduction azimuth gating azimuth indicator

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