“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。
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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。