“北堂书钞”的概念、定义、翻译、参考文献-科学参考

单词	北堂书钞
释义	北堂书钞 Encyclopedia 文学〔古代重要典籍〕释 Beitang Booknotes《北堂书钞》中国现存最早的类书。
随便看	air-fuel ratio air-fuel ratio control air gap interconnect air/gas drilling fluid Air Gasification airglow air gun air gun source air handling equipment air handling process air hardening binder air heat exchanger of metallurgical furnace air humidifier air humidity control air hygiene in animal housing ai ri jing lu cang shuzhi ai ri jing lu library air-imaging cinematography air-in air-induced mechanical flotation cell airing air inlet hole air inlet performance parameters air inlet valve airintakedevice

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。