“Forced Labors in Northern Wei Dynasty”的概念、定义、翻译、参考文献-科学参考

单词	Forced Labors in Northern Wei Dynasty
释义	Forced Labors in Northern Wei Dynasty Encyclopedia 历史学杂户释 Forced Labors in Northern Wei Dynasty杂户中国北朝时期配隶特定官府役使，地位低于编户的人户。
随便看	circle involute circle lattice points circle lattice theorem circle law circle left circle-like circle-line intersection circle line picking circle map circle mapping circle method circle negative pedal curve circle net circle notation circle of altitude circle of antisimilitude circle of confusion circle of contact circle of convergence circle of curvature circle of declination circle of equal altitudes circle of friends circle of geodesic curvature circle of inversion

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。