“isotopic specific activity”概念、定义、翻译-科学时代

单词	isotopic specific activity
释义	环境科学与工程词汇手册 isotopic specific activity 同位素比放射性
随便看	travelift travel industry traveling block traveling company traveling crane traveling drip irrigation system traveling grate traveling irrigator traveling psychology traveling salesperson problem traveling salesperson problem--traveling salesperson problem (TSP) traveling salesperson problem (TSP) traveling sprinkler traveling stage traveling standard traveling wave theory traveling wave tube traveling wave tube--traveling wave tube（TWT） traveling wave tube（TWT） travel journalist traveller traveller traveller traveller's accident insurance traveller's cheque

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。