““421”structure family”的概念、定义、翻译、参考文献-科学参考

单词	“421”structure family
释义	“421”structure family Encyclopedia 法学家庭计划释 “421”structure family“四二一”结构家庭第一代是独生子女夫妇双方的父母（“四”），第二代是双方均为独生子女的夫妇（“二”），第三代为独生子女夫妇的子女（“一”）的家庭结构模式。
随便看	acoustic emission monitoring of mine acoustic emission non-destructive testing acoustic emission test instrument acoustic enclosure acoustic energy acoustic energy density acoustic environment of livestock acoustic exploration acoustic fatigue acoustic feedback acoustic field acoustic field sensitivity acoustic filter acoustic fishing acoustic frequency acoustic frequency, audio frequency acoustic full waveform logging device acoustic full-wavetrainLogging acoustic functional composites acoustic glass acoustic-gravity wave acoustic guide acoustic heating acoustic holography acoustic holography detection

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