“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	plantagenet plantagina family Plantain, Peonies and Rock plantain seed plant allelochemicals plant aluminum toxicity plant anatomy Plant and Soil plant architecture plant arrangement plant ash plant ash glass plantation protected mode of medicinal resources plant audi of requency control technology plant bacterial disease Plant Bamboo Poems by Wu Kuan plant beneficial elements plant biology plant biomarker plant bioreactor plant bioreactor technology plant boring pest plant boron deficiency symptom plant boron nutrition plant boron toxicity

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。