“Social Security Act of the United States”的概念、定义、翻译、参考文献-科学参考

单词	Social Security Act of the United States
释义	Social Security Act of the United States Encyclopedia 法学《济贫法》释 Social Security Act of the United States《美国社会保障法》美国历史上第一部关于社会保障的法律。20世纪大萧条背景下实施的罗斯福新政的组成部分。
随便看	flatness artefact flatness factor flatness measurement flatness measuring instrument flatness of field flatness of filed flatness problem flatness theorem flat norm flat origami flat pack flat package flat pack, flat package flat panel display flat-panel display glass flat piece sorter flat plate solar collector flat plate structure flat point flat pole flat pot flat profile flat resolution flat ring flat-ring cyclide coordinate

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。