“自动闭塞”的概念、定义、翻译、参考文献-科学参考

单词	自动闭塞
释义	自动闭塞 Encyclopedia 工学铁路区间闭塞释 automatic block自动闭塞把站间区间划分为若干个闭塞分区，对每个闭塞分区都进行列车占用检查的行车管理技术。
随便看	Directives on the Promotion of Putonghua of the State Council directivity directivity and gain of antenna directivity factor directivity function directivity function of microphone directivity index directivity index of microphone directivity pattern direct join direct joint direct laser acceleration direct laser lithography direct lateral force/pneumatic composite force compound control direct lattice direct leasing direct levelling direct light direct lightning flash direct limit direct linear transformation direct line atomic fluorescence direct-line atomic fluorescence direct line fluorescence direct liquefaction

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。