“半自动闭塞”的概念、定义、翻译、参考文献-科学参考

单词	半自动闭塞
释义	半自动闭塞 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	bounded vector lattice bounded vector measure bound electron bound energy bound-free absorption bound free laser bound-free laser bound free transition bound-free transition bound homotopy bounding bounding box bounding chain bounding cycle bounding manifold bounding operation bounding polyhedral surface bounding surface Bounding Theory boundless bound method bound model boundness boundness test bound nucleus

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。