“semi-automatic block”的概念、定义、翻译、参考文献-科学参考

单词	semi-automatic block
释义	semi-automatic block Encyclopedia 工学铁路区间闭塞释 semi-automatic block半自动闭塞人工确认相邻两铁路车站间区间线路空闲、办理和解除闭塞，自动开放、关闭出发信号机的闭塞方式。
随便看	utilization of solid waste utilization of tailings utilization of tea germplasm utilization of time delay utilization of waste heat in rural areas utilization of waste mud utilization of weed resources utilization of wind energy utilization rate of return water utilization rate of tonnage(seat) utilization ration of industrial waste water，waste gas and solid waste utilization ratio of sunlight energy utilization time utilize Uti Possidetis UTL UTLS UTM utmost UTM projection Utopia utopian communism utopian ideal of city Utopian socialism utopian socialistic population theory

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。