“alder”的概念、定义、翻译、参考文献-科学参考

单词	alder
释义	alder Encyclopedia 农学〔用材树种〕释 alder桤木桦木科（Betulaceae）桤木属（Alnus spp.）落叶乔木或灌木。别称赤杨。
随便看	orientation-reversing mapping orientation selectivity orientation sheaf orientation star orientation state structure of polymers orientation sub orientation telesthesia orientation variable oriented oriented area oriented atlas oriented attachment oriented basis oriented bordism oriented boundary oriented bundle oriented cell oriented chain complex oriented circle oriented circuit oriented cobordant manifold oriented cobordism oriented cobordism class oriented cobordism group oriented cobordism theory

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。