“坡段连接”的概念、定义、翻译、参考文献-科学参考

单词	坡段连接
释义	坡段连接 Encyclopedia 工学铁路线形释 gradient joint坡段连接铁路线路纵断面不同坡度的线段连接。上坡的坡度为正值，下坡的坡度为负值；每个坡度的线段称为坡段；相邻两坡段的连接点称为变坡点。坡段连接的主要技术要素是坡度差、坡段长度以及竖曲线半径（见竖曲线）。
随便看	peramine peraphyllum P / E ratio perbenzoic acid perbromic acid per-call key per capita disposable income per capita effective refuge area per capita expenditure of domestic tourists per capita residential land control index per capita urban park area perceived control perceived noise level perceived organizational support Perceived Quality perceived risks perceived value pricing per cent percent percentage percentage calculation percentage diagram percentage elongation percentage error percentage of blocked dregs and soil

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。