“阔叶材”的概念、定义、翻译、参考文献-科学参考

单词	阔叶材
释义	阔叶材 Encyclopedia 农学木材释 hardwood阔叶材来源于被子植物中双子叶乔木植物的木材，主要指其茎干的次生木质部。阔叶材除水青树、昆栏树等极少数树种外，都具有导管，又称为有孔材。 Biology dicotyledonous wood阔叶材
随便看	contractive contractive coefficient contractive factor contractive linear operator contractive mapping contractive-mapping principle contractive operator contractive operator-valued function contractive semi-group contractive semigroup contractivity contract law Contract Law of the People's Republic of China contract learning contract management of water conservancy project contract management system contract of charter party contract of novation contract of towage by sea contract of transferring land use right by government and by non-government contractor contractor liability insurance contractor logistics support of aircraft equipment contractor safety management system contract postgraduate

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。