“Refugian”的概念、定义、翻译、参考文献-科学参考

单词	Refugian
释义	Refugian [rǝ`fyü·jē·ǝn] ^GEOLOGY A North American stage of geologic time in the Eocene and Oligocene, above the Fresnian and below the Zemorrian.
随便看	acid polishing acid potassium phthalate acid potassium sulfate acid precipitation acid process acid-producing material acid-proof coating acid rain acid reaction acid recovery plant acid-refined oils acid refractory acid-resistant acid salt acid slag acid sludge acid sodium tartrate acid soil acid solution acid soot acid spar acid spoil acid steel acid tartrate acid tide

科学参考收录了103327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。