“old stone age”概念、定义、翻译-科学时代

单词	old stone age
释义	社会学词汇手册 old stone age 旧石器时代
随便看	business plan business plan (BP) business planning system business policy business policy business population business portfolio business portfolio analysis matrix business position business position matrix business practice business practice business practice business premium business principle business principle business principle business process business process business process business process improvement business process improvement business process improvement (BPI) business process improvement--business process improvement (BPI) business process management (BPM)

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。