“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	recovery of natural gas liquids recovery of natural gas liquids expansion and cryogen refrigeration process recovery of natural gas liquids with ammonia absorb refrigeration process recovery of natural gas liquids with expansion refrigeration process recovery of natural gas liquids with gas wave refrigeration process recovery of natural gas liquids with propane refrigeration process recovery of natural gas liquids with thermal separator refrigeration process recovery of nonferrous scrap metal recovery of soil productivity recovery of uranium from seawater recovery of waste heat recovery package recovery period of national economy Recovery Program of Hebert Hoover recovery ratio of water fee recovery self-efficacy recovery testing recovery time recovery time objective recovery time objective, RTO recreation recreational agriculture recreational belt around cities，ReBAC recreational business district，RBD recreational fishery

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。