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“421”structure family
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“421”structure family
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“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。
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Space Flyer Unit
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