“Keating-Owen Act”的概念、定义、翻译、参考文献-科学参考

单词	Keating-Owen Act
释义	Keating-Owen Act Encyclopedia 历史学美国历史释 Keating-Owen Act《欧文-基廷童工法》美国国会通过的第一个关于联邦政府对童工进行监管的法案。
随便看	elementary substructure elementary subsystem elementary sum elementary surface elementary surgery elementary symmetric expression elementary symmetric function elementary symmetric functions elementary symmetric polynomial elementary syntax elementary system elementary theory elementary theory of numbers elementary tissue elementary tone elementary topological Abelian group elementary topology elementary topos elementary transcendental function elementary transformation elementary transformation of a matrix elementary translation elementary unit elementary variation elementary vocational education

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。