“four towns of Ming and Qing dynasties”的概念、定义、翻译、参考文献-科学参考

单词	four towns of Ming and Qing dynasties
释义	four towns of Ming and Qing dynasties Encyclopedia 工学〔宋-清﹞释 four towns of Ming and Qing dynasties明清四大镇明清时期汉口镇、佛山镇、景德镇、朱仙镇的合称。
随便看	Railway Law of the People's Republic of China railway level crossing signal railway lines within station yard railway location design railway locomotive and rolling stock railway luggage and parcel traffic railway maintenance construction schedule railway maintenance operation skylight railway marketing railway marshalling station railway master data platform railway material management railway mileage railway mobile communication system Railway Nationalization railway operation railway over-zone feeding railway passenger car railway passenger service railway passenger service information system railway passenger station railway passenger tariff railway passenger traffic railway passenger train service work Railway Port of Suifenhe City

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。