“population cycle”概念、定义、翻译-科学时代

单词	population cycle
释义	人口学词汇手册 population cycle 人口周期
随便看	travois travolator travoprost trawl trawl beam trawl block trawl catch trawl door trawler trawler trawl gallows trawl head trawling-seining combination trawl iron trawl kite trawl line trawl meter trawl performance trawl plane trawl roller trawl toad trawl warp trawl winch traw stem tray

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。