“一次空气污染物”的概念、定义、翻译、参考文献-科学参考

单词	一次空气污染物
释义	一次空气污染物 Encyclopedia 工学一次空气污染物释 primary air pollutant一次空气污染物由污染源直接排入空气的污染物。又称原生污染物。
随便看	second harmonic generation laser second harmonic generator second harmonic generator, SHG second-harmonic imaging microscopy second harmonic wave second Harnack theorem second home second homotopy theorem second horizontal-circulation flow second incompleteness theorem Second Index Catalogue of Nebulae and Clusters of Stars Second Institutional Act second integral second isodynamic point second isogonic center second isomorphism theorem second kind second language Second Language Acquisition and Learner’s Dictionaries Second Language Acquisition Studies second language developmental patterns second language knowledge second language learning aptitude second language learning motivation second language learning strategies

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。