“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	Modern Review modern rose modern scheduling Modern School Buildings in Tongzhou modern school system modern service industry modern silicon industry in China Modern Sketch modern society modern sociological approaches Modern Sociology modern sports in foreign countries modern structural testing technology modern-style poetry modern tantalum and niobium industry in China modern theory Modern Times modern times modern tin, antimony, bismuth, cadmium and mercury industry in China modern titanium industry in China modern topology Modern Tragedy modern tungsten industry in China Modern Urban Research modern vanadium industry in China

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。