“封地体系”概念、定义、翻译-科学时代

单词	封地体系
释义	社会学词汇手册封地体系 estate system
随便看	proportion proportion proportion proportion proportion proportion proportion proportion proportion proportion proportional proportional proportional-action coefficient proportional allocation proportional analogy proportional band proportional band proportional body-measuring unit proportional chamber proportional circle proportional circle map proportional coefficient proportional control proportional control proportional control

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。