““四二一”结构家庭”的概念、定义、翻译、参考文献-科学参考

单词	“四二一”结构家庭
释义	“四二一”结构家庭 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	fear conditioning Feargus Edward O’Connor fear impairing kidney fear leading to qi sinking Fearless Weapon fear of cold fear-potentiated startle reflex feasibility feasibility analysis feasibility research feasibility study feasibility study for concentrator projects feasibility study of biomass power generation feasibility study of deposit mining Feasibility Study of Environmental Engineering feasibility study report feasible feasible basis feasible constraint feasible decision feasible descent direction feasible direction feasible direction cone feasible direction method feasible flow

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。