“Turner，Frederick Jackson”概念、定义、翻译-科学时代

单词	Turner，Frederick Jackson
释义	历史学词汇手册 Turner，Frederick Jackson 特纳，F·J（1861—1932，美国历史学家、美国史学中边疆派创始人）
随便看	field stop field stop field strain Field & Stream field strength measurement field strength meter field strip cropping field structure field study field study field study field supervisor field supervisor field survey field survey field survey field survey field survey field survey field sweeping field system field test field testing field test marketing field theory

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。