“年龄性别金字塔”概念、定义、翻译-科学时代

单词	年龄性别金字塔
释义	社会学词汇手册年龄性别金字塔 age-sex pyramid
随便看	permeability permeability permeability permeability permeability permeability permeability permeability permeability permeability alloy permeability coefficient permeability coefficient permeability coefficient permeability measurement permeability number permeability tensor permeability test permeability tube permeable permeable base transistor (PBT) permeable explosive permeable layer permeable membrane permeable rock permeable seed

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。