“抚养比”的概念、定义、翻译、参考文献-科学参考

单词	抚养比
释义	抚养比 Encyclopedia 法学年龄释 dependency ratio抚养比人口中非劳动年龄人口数与劳动年龄人口数之比。又称抚养系数或负担系数。用百分比表示。
随便看	child car seat child-directed speech child ear and hearing health care child eye health care child friendly city child friendly community child-friendly school child growth and development monitoring child health care childhood abuse childhood abuse of offender Childhood and Society childhood autism childhood diarrhea disease childhood disintegrative disorder childhood nutritional anemia Childhood Trauma Questionnaire child injury prevention child labour Child Literacy book by Deng Wenyuan child neglect child oral health care Child play child psychology Children

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。