“Proclamation of Emancipation of Negro Slaves”的概念、定义、翻译、参考文献-科学参考

单词	Proclamation of Emancipation of Negro Slaves
释义	Proclamation of Emancipation of Negro Slaves Encyclopedia 经济学解放黑人奴隶的宣言释 Proclamation of Emancipation of Negro Slaves《解放黑人奴隶的宣言》美国联邦政府总统A.林肯（1809～1865）在南北战争中签署发布的解放南部叛乱各州黑人奴隶的宣言令。
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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。