“track gradient”的概念、定义、翻译、参考文献-科学参考

单词	track gradient
释义	track gradient Encyclopedia 工学铁路线形释 track gradient线路坡度铁路线路纵断面上一定水平距离的线段，起点或终点在该距离内上升或下降的高度与该线段水平距离之比。中国用千分率表示。通常线路纵断面由各种不同坡度的线段组成。又称坡率。
随便看	printing and dyeing machine printing chronograph printing colour reproduction printing cylinder printing decorated cloth printing digital workflow printing document examination printing down printing equipment printing factories of Central Soviet Area printing handkerchief printing ink Printing Institute of the Buddhist Scriptures printing materials printing-out paper printing paste printing path generation and optimization printing photographic materials printing plate printing plates printing press or duplicating unit printing pressure printing process control systems printing project of Tripitaka printing quality control

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。