“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	archival paper-repair technology archival preservation technology archival profession morals archival publication archival reception archival reference service archival registration archival repair-mounting technology archival repository archival repository management archival restoration techniques archival retention archival retrieval efficiency archival science Archival Science Teaching Advisory Board under the Ministry Education archival secrecy archival shelves archival standardization work archival statistics annual report system archival subject indexing archival subject retrieval language archival technology arrangement archival transfer Archival Undertaking in Contemporary China archival utilization system

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。