“sleeper”的概念、定义、翻译、参考文献-科学参考

单词	sleeper
释义	sleeper Encyclopedia 工学[轨道部件]释 sleeper轨枕承受并传递列车荷载，保持线路稳定性及轨道几何形位，减缓列车冲击荷载向道床传递的铁路轨道重要部件。
随便看	community corrections community corrections worker community counseling community culture Community culture services community democracy community detection community development community diagnosis community disaster prevention community drug treatment community dynamics community ecology community education community education services community elderly care community elderly service facilities community elite community emergency plan community emergency preparedness community emergency response capacity community emergency response team community employment Community environmental management community environmental roundtable meeting

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。