“Migration into Northeast China”的概念、定义、翻译、参考文献-科学参考

单词	Migration into Northeast China
释义	Migration into Northeast China Encyclopedia 历史学历史事件释 Migration into Northeast China东北流民在封建势力的压迫剥削下破产和丧失生计，被迫自发地到东北“求食”谋生的人。
随便看	ring of differentiable functions ring of differential operators ring of differential polynomials ring of dual numbers ring of endomorphisms ring of finite generation ring of finite presentation ring of fractions ring of functions ring of germs ring of integers ring of invariants ring of Jupiter ring of linear transformations ring of manifolds ring of matrices ring of Neptune ring of numbers ring of operators ring of polynomials ring of power series ring of principal integers ring of quaternion ring of quaternions ring of quotients

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。