“fossil charcoal”的概念、定义、翻译、参考文献-科学参考

单词	fossil charcoal
释义	fossil charcoal Encyclopedia 理学古植物学释 fossil charcoal木炭（丝炭）地史时期中的植物或植物遗体由于野火作用不完全燃烧留下的残留物。又称丝炭。
随便看	closed under addition closed under an operation closed under an operator closed under intersection closed under limits closed under multiplication closed universe closed walk closed world assumption closed-world assumption closed wound of neck close eigenvalue close embedding close encounter close hypersurfaces close loop control closely coiled arm closely coupled state Closely Observed Trains Closely Watched Trains close matrix closeness close-packed direction close-packed plane close-packed structure

科学参考收录了854744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。