“Presidential-Libraries”的概念、定义、翻译、参考文献-科学参考

单词	Presidential-Libraries
释义	Presidential-Libraries Encyclopedia 管理学总统图书馆释 Presidential-Libraries美国总统图书馆美国以卸任后的总统名字命名，用于存放总统任期内各类文件的图书馆。是收集、记录、整理、保存有关历届总统一切信息的载体，并向读者提供利用历史资料的信息中心。
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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。