“美国专利与商标署”概念、定义、翻译-科学时代

单词	美国专利与商标署
释义	广告学词汇手册美国专利与商标署 USPTO (US Patent and Trademark Office)
随便看	common difference common disaster clause common disease common divisor common dollar common domicile common domicile common double grafting common drift common duty common earth impedance coupled interference common elder common elements common element theory common emitter common emitter forward current transfer ratio common enemy common entrance common envelope common-envelope evolution common-envelope star commoner commoner common external tariff common external tariff

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。