“class of railway”的概念、定义、翻译、参考文献-科学参考

单词	class of railway
释义	class of railway Encyclopedia 工学铁路选线设计释 class of railway铁路等级根据铁路在国家铁路网中的作用、性质和远期客、货运量，以及最大轴重和列车速度等条件对铁路划定的级别。
随便看	mobile launch platform mobile lavatory mobile learning mobile learning system mobile library service mobile lifting work platform mobile location mobile management mobile map mobile mapping system mobile marketing mobile medical care mobile medical facility mobile medical unit mobile metal ion survey mobile metal survey mobile middleware mobile monitoring of water quality mobile monitoring station for atmospheric pollution mobile monitoring station for water pollution mobile multimedia broadcasting mobile multimedia search mobile multimedia systems and service mobile museum car Mobile Museum of Art

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。