“无砟轨道”的概念、定义、翻译、参考文献-科学参考

单词	无砟轨道
释义	无砟轨道 Encyclopedia 工学无砟轨道释 ballastless track无砟轨道由钢轨、扣件及混凝土轨下基础构成的铁路轨道。由于轨下基础不再采用传统的碎石砟道床，而是采用混凝土结构，故称无砟轨道。
随便看	urban external transport system urban finance urban fire safety layout urban flood control urban flood intersecting ditch urban forest urban forest planning and design urban forestry urban freight transport system urban function urban functional urban function and type of urban function in China urban function developed in parallel urban furniture urban gas source urban gas supply firm urban gas supply system urban gas transmission and distribution system urban geoenvironment assessment urban geoenvironment monitoring urban geographical information system urban geographical theories of Chinaurban geographical theories of China urban geological hazard chain urban geological information platform urban geological problems

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。