“Helderbergian”的概念、定义、翻译、参考文献-科学参考

单词	Helderbergian
释义	Helderbergian [´hel·dǝr`bǝrg·ē·ǝn] ^GEOLOGY A North American stage of geologic time, in the lower Lower Devonian.
随便看	oxyacetylene welding Oxyaenidae oxyamination oxybenzone oxybiotite oxycarboxin oxycellulose oxycephaly oxychloride cement oxy compound oxygen oxygen-18 oxygen absorbent oxygenase oxygenate oxygenated oil oxygenator oxygen bomb calorimeter oxygen burning oxygen cell oxygen concentration cell oxygen corrosion oxygen cutting oxygen debt oxygen deficit

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。