There almost have no backwater influence when bridge constructed in the natural river course as the bridge pier anti-water area occupies the river is small.
桥梁建设多在天然河道进行,当桥墩阻水面积占河道过水面积的比例较小时,可以不考虑桥墩壅水影响。
参考来源 - 南水北调中线总干渠桥墩壅水影响分析—《南水北调与水利科技》—2008年第1期—龙源期刊网The urban river course keeps developing and changing as well as society and city. Various severce pureposes of the river course exsit under various society backgrounds.
城市河道的发展状况总是因社会和城市的发展变化而变化,不同的社会背景往往出现不同的服务目的,城市河道的研究是一个永恒的课题。
参考来源 - 城市河道景观设计研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Later it declined due to the change of a river course.
后来因为河水改道,才逐渐衰落下来。
The fossil river course at the early stage flew through Wangdu 'ao to Jinli.
早期古河道是流经万都坳至金利接现道西江。
A one-dimensional unsteady flow model is established based on the topography of the river course between the Three Gorges and Zhicheng.
针对三峡—枝城河道的地形特征,建立一维不稳定流模型。
After the passage is over, Milton addresses Alpheus, a river god -the god who was noted for plunging the course of his river underground in order to chase the nymph Arethuse who had been turned into a fountain.
这段结束后,弥尔顿引用了河神阿尔甫斯,那位因私底下掀起河流的波浪而闻名的神,以此来与被变成海底之泉的女神阿托瑞萨相互融合。
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