“proper subset”的概念、定义、翻译、参考文献-科学参考

单词	proper subset
释义	proper subset [`präp·ǝr `sǝb´set] ^MATHEMATICS A set X is a proper subset of a set Y if there is an element of Y which is not in X while X is a subset of Y.
随便看	storm warning storm-warning signal storm-warning tower storm wave storm wind storm window Storrow whirling hygrometer story storyboard story pole story rod stoss stoss-and-lee topography stove stove bolt stovepipe stovewood stoving stowage diagram sodium tetraphenylborate sodium tetrasulfide sodium thiocyanate sodium thioglycolate sodium thiopental sodium thiosulfate

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