“manual block”的概念、定义、翻译、参考文献-科学参考

单词	manual block
释义	manual block Encyclopedia 工学铁路区间闭塞释 manual block人工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，且在值班员与司机间人工交接行车凭证的闭塞方式。
随便看	dual solid dual solution dual space dual spaces dual specificity phosphatase dual-specificity phosphatase dual stack system dual standard form dual star dual statement dual-string well completion dual-structural Internet,dual-architecture Internet dual structure dual subdivision dual surface dual system dual system of higher education dual system of vocational education dual system university dual-task paradigm dual temperature exchange dual-temperature exchange dual tensor dual tessellation dual theorem

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。