“law of conservation of mass”概念、定义、翻译-科学时代

单词	law of conservation of mass
释义	环境科学与工程词汇手册 law of conservation of mass 质量守恒定律
随便看	fixed-term appointment fixed term contract fixed-term contract fixed-term contract fixed-term deposit fixed-term imprisonment fixed term insurance fixed term policy fixed-term staff fixed theory fixed ticket fixed-time incrementing method fixed time temperature（humidity） fixed-tolerance-band compaction fixed-tongue tray fixed treaty fixed trestle fixed trust fixed tube-sheet heat exchanger fixed tube-sheet heat exchanger fixed value fixed variable fixed variate fixed vessel fixed vessel type mixer

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。