“分类单”的概念、定义、翻译、参考文献-科学参考

单词	分类单
释义	分类单 grouping sheet
随便看	dark field microscopy dark field of view dark field reflection microscope dark-field stop dark fish meal dark flame darkflex dark flocculus dark forest soil dark Fraunhofer line dark galactic nebula dark grain dark green dark ground dark-ground illumination dark ground illuminator dark ground method of observation dark ground microscope dark headed stemborer dark heart dark heat dark heater darkish darkish brown darkish complexion

科学参考收录了1248194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。