““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	lattice ordering lattice ordering structure lattice packing lattice parameter lattice parameter; lattice constant lattice path lattice permutation lattice plane lattice plane net lattice point lattice point formula lattice point function lattice point method lattice point problem lattice [point] row lattice point row lattice polarity lattice polarization lattice polygon lattice polynomial lattice polytope lattice preferred orientation lattice-preferred orientation diagram lattice-preserving mapping lattice problem

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