“Engineering Index（EI）”概念、定义、翻译-科学时代

单词	Engineering Index（EI）
释义	图书馆、情报与文献学词汇手册 Engineering Index（EI）《工程索引》
随便看	effective exchange rate effective excitation force effective executive effective exposure effective exposure time effective face effective facsimile band effective feed in motion effective fertility effective fertility effective field intensity effective floorage effective focal length effective force effective form of inference effective frequency effective frequency effective gross income (EGI) effective half time effective head effective head effective heat price effective impedance effective impedance effective implement

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。