“Permian”的概念、定义、翻译、参考文献-科学参考

单词	Permian
释义	Permian [`pǝr·mē·ǝn] ^GEOLOGY The last period of geologic time in the Paleozoic era, from 280 to 225 million years ago.
随便看	Tinamiformes tin bisulfide tin bromide tin bronze tincal tincalconite tin chloride tin chromate tin crystals tincture tincture of iodine tin dichloride tin difluoride QBE Q branch QCD Q factor Q fever Q machine Q-machine plasma Q magnitude Q meter Q multiplier Q point QPRK

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。