“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	secondary optical axis secondary optic axis secondary orbital effect secondary orbital interactions secondary orbital interactions (SOI) secondary organic aerosol secondary organic aerosol (SOA) secondary oxidation secondary parameter secondary particle secondary pattern secondary period secondary phase secondary phloem secondary photoelectric effect secondary pollutant secondary pollution secondary pollution control for waste incineration power generation secondary pollution; re-contamination secondary precious metals secondary pressure standard secondary prevention secondary prevention of cancer secondary process of radiation chemistry secondary production

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