“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	selenoxide self-absorption self-acting door self-acting incline self-adapting system self-adjoint operator self-adjusting communications self-advancing supports self-analysis self-bias self-bias transistor circuit self-centering chuck self-chambering self-charge self-checking code self-checking number self-cleaning self-cleaning contact self-complementing code self-conjugate particle self-consistent field method self-contained base-line system self-contained breathing apparatus self-contained database management system self-contained night attack

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