The US Labor-Management Relations Act of 1947. This act restricted the rights of US trade unions in various ways, including a ban on the closed shop and authorizing states to enact ‘right-to-work’ laws.
科学参考收录了60776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。