“economic activity”概念、定义、翻译-科学时代

单词	economic activity
释义	人口学词汇手册 economic activity 经济活动
随便看	population of samples population of stars population of transitional growth population optimum population parameter population parameter population phenomenon population planning population policy population policy population policy population policy population potential population prediction population pressure population pressure population problem population process population processes population programme Population Programme Centre Population Programmes and Projects Office population project population projection population projection

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。