“Immigration Act”的概念、定义、翻译、参考文献-科学参考

单词	Immigration Act
释义	Immigration Act Encyclopedia 历史学美国历史释 Immigration Act移民法美国关于移民政策的联邦法律规定，世界上最完善、最复杂的移民法典。
随便看	Main Ring main river Mainri Xueshan (Xipo) Fengjing Mingshengqu main root main root system main routine mains Main schools of project management in the world main sequence main sequence band main sequence fitting main sequence lifetime main sequence star main-sequence star main sequence turnoff mains failure main shaft mains leakage main source mainspan main spot mainspring main stacks Main Stadium mainstay

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。