“环境背景值”的概念、定义、翻译、参考文献-科学参考

单词	环境背景值
释义	环境背景值 Encyclopedia 工学环境质量释 environmental background value环境背景值在不受外来污染影响的情况下，环境中的水、土壤、大气、生物等要素中化学元素的含量。又称环境本底值。 Chemistry ＞环境化学＞其他相关概念＞释义 environmental background value环境背景值
随便看	Engels' Letters on Historical Materialism in his later years Engel's theorem Engel theorem engine engine air/fuel ratio control engine automatic start-stop control engine control actuation system engine coolant engine cylinder block test system engine drive pump engine electronic control system engine electronic throttle control engine emission control engineer engineered antibodies engineered geothermal system engineered slope engineered slopes in water resources and hydropower projects engineered wood flooring engineered wood products Engineering engineering engineering aesthetic outlook engineering alternation engineering analogy method

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。