“primary timber”概念、定义、翻译-科学时代

单词	primary timber
释义	林业词汇手册 primary timber 主要木材，优质木
随便看	character per frame character piece character rating character readout system character recognition character recognition character recognition character recognition character recognition character recognition criterion character roll character-seed character selection system character set character set character set character set characters per inch characters per inch--characters per inch (CPI) characters per inch (CPI) characters per line characters per page character string character structure character structure

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。