“perbituminous”的概念、定义、翻译、参考文献-科学参考

单词	perbituminous
释义	perbituminous [¦pǝr·bǝ`tü·mǝ·nǝs] ^GEOLOGY Referring to bituminous coal containing more than 5.8% hydrogen, analyzed on a dry, ash-free basis.
随便看	Syntrophiidina syntrophism plotting chart plotting head plotting interval plotting paper plotting sheet plotting table plough plough deflector ploughed-and-tongued joint plough wind plow plowshare plow sole plow steel plow wind plucking plug plug adapter lamp holder plug-and-feather hole plug-and-feather method plug back plug bit plugboard

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。