“主导项”概念、定义、翻译-科学时代

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。

单词	主导项
释义	物理学词汇手册主导项 leading term
随便看	protectionism protectionism protectionism protectionism protectionism protectionism protectionism protectionist protectionist business practice protectionist measure protectionist policy protectionist policy protectionist policy protectionist policy protectionist trading practice protectionist trading practice--protectionist trading practice (PTP) protectionist trading practice (PTP) protection layer protection mask protection mimicry protection of copyright protection of female labourers protection of game protection of laser hazard protection of minorities