英语词汇commutation rules怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	commutation rules
释义	commutation rules 简明释义对易规则双语例句 1 The commutation algorithm toward null value for data dependent on satisfactory conditions in relational database is discussed and the related definitions, rules and theorems are put forward. 讨论了关系数据库的空值与数据依赖满足性变换算法，并给出了有关的定义、规则、定理与变换算法。
随便看	micropetrological unit micropezid micropezidae microphage microphage microphage slowing factor microphagic microphagocyte microphagocytosis microphagous microphagus microphagy microphakia Microphallidae Microphallinae microphallus Microphallus longicaecus Microphallus minus microphallus sp. microphalmoscope microphanerocrystalline microphanerophyte microphanerophytes microphase microphases

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