“doubling time”的概念、定义、翻译、参考文献-科学参考

单词	doubling time
释义	doubling time Encyclopedia 理学文献计量释 doubling time翻番时间某科技指标数量增加一倍所需要的时间。
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。