“track maintenance”的概念、定义、翻译、参考文献-科学参考

单词	track maintenance
释义	track maintenance Encyclopedia 工学土木工程养护技术释 track maintenance轨道养护为保证列车安全、平稳、不间断运行而开展的各项轨道养护作业，包括轨道更新和经常性维修工作。
随便看	censoring time Censorship Commission of Books and Magazines under the Publicity Committee of the KMT Central Committee Censorship of arts censorship of the media census census for water Census of Marine Life Census registration census station census worker Centaur Centaur family upper stage Centaur group Centauro event centauro event Centaurus Centaurus A Centaurus arm Centaurus B Centaurus cluster centella Centennial 1911 Centennial Monument to the Foundation of The Chinese Geological Society Centennial Record of Chinese Language Modernization（1892—1995） centennial variation

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。