“Ephemeroptera”的概念、定义、翻译、参考文献-科学参考

单词	Ephemeroptera
释义	Ephemeroptera [ǝ´fem·ǝ`räp·tǝ·rǝ] ^{INVERTEBRATE ZOOLOGY} The mayflies, an order of exopterygote insects in the subclass Pterygota.
随便看	back-emission electron radiography back end back-end system backfill back fillet backfire backfire antenna backflap hinge backflash backflooding backflow backflow connection backflow preventer backflow valve back focal length backfolding backfurrow back gearing Back-Goudsmit effect back gouging background background count background discrimination background genotype background ink

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。