“主挂比”的概念、定义、翻译、参考文献-科学参考

单词	主挂比
释义	主挂比 Encyclopedia 工学汽车运用效率指标释 rate of towing vehicle to trailer主挂比统计期内所使用的牵引车辆数量与挂车数量的比值。
随便看	closed neighbourhood closedness closedness of dictionary closed normal form closed n-sphere closed object closed oil gathering process closed-open set closed operator closed orbit closed orthogonal sequence closed orthogonal system closed orthonormal system closed path closed path Green's function closed path; loop closed path space closed pipe closed plane closed pneumothorax closed point closed point set Closed Population closed power station closed professional sports league

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。