“orphan work”概念、定义、翻译-科学时代

单词	orphan work
释义	法学词汇手册 orphan work 孤儿作品（享有著作权但很难或找不到著作权人的作品）
随便看	premium payment period premium plan premium position premium price premium price policy premium pricing premium promotion premium protection rider premium put premium rate premium rate premium rate premium receipt premium receipt book premium reserve premium reserves premium return premium return premium returns premium savings bond premium system premium tariff premium tax premium written pre-mix

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。