“abstraction hierarchy”概念、定义、翻译-科学时代

单词	abstraction hierarchy
释义	工程与技术词汇手册 abstraction hierarchy 抽象层次；分离层次
随便看	forage acre forage cap forage conservation forage coverage forage dryer forage drying plant forage fish forage grass forage harvester forage migration forage mixture forage plant forage production forager forager forager foragers foraging foraging bee foraging behaviour foraging flight foraging society foraging society foramen foramen

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

abstraction hierarchy