“arctg”的概念、定义、翻译、参考文献-科学参考

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。

单词	arctg
释义	arctg Mathematics arctg = arctangent反正切
随便看	railway ITS architecture railway labor protection railway launching vehicle railway law 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