“dependency coefficient”的概念、定义、翻译、参考文献-科学参考

单词	dependency coefficient
释义	dependency coefficient Encyclopedia 医学老年流行病学释 dependency coefficient抚养系数人口中非劳动年龄人口数与劳动年龄人口数之比。又称抚养比、年龄抚养比、抚养率或负担系数。
随便看	biological foundations of language development biological fuel cell biological functional materials biological half-life biological half-life time biological hazard biological heat transfer biological hydrogen production biological hydrogen production technology and equipment biological immobilization biological information biological injury in hot environment biological ink biological inorganic chemistry biological intrusion disaster in China biological invasion biological isotopic effect biologically active peptide biologically active preparations biologically derived materials biological macromolecule biological mass spectrometry biological mass spectrometry (BMS) biological material biological material surface and interface

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。