“primary pollutant”的概念、定义、翻译、参考文献-科学参考

单词	primary pollutant
释义	primary pollutant Encyclopedia 工学一次污染物释 primary pollutant一次污染物由污染源直接排入环境的、其物理和化学性状未发生变化的污染物。又称原发性污染物。 Chemistry ＞环境化学＞大气环境化学＞释义 primary pollutant一次污染物
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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。