“马汉，A·T”概念、定义、翻译-科学时代

单词	马汉，A·T
释义	历史学词汇手册马汉，A·T Mahan，Alfred Thayer
随便看	surveillance surveillance surveillance surveillance surveillance export authorization surveillance export authorization system surveillance magnet contact surveillance programme surveillance programme surveillance radar surveillance society surveillance switch survey survey survey survey survey survey survey survey survey survey survey survey survey

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。