“北宋四大类书”的概念、定义、翻译、参考文献-科学参考

单词	北宋四大类书
释义	北宋四大类书 Encyclopedia 历史学思想文化释 the top four subject-specific reference books of the Northern Song Dynasty北宋四大类书中国古代汇集各种典籍中的史料典故、名物制度、诗赋文章，按照类别或韵部编排，以供检索的书，称为类书。北宋四大类书分别指的是《太平御览》《太平广记》《文苑英华》和《册府元龟》。
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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。