浑沌理论突破了经典科学范畴，丰富了河流学，在生产实践中有广阔应用前景。
The turbid theory has broken through category of classic science and enriched potamology, so it will have a broad prospect of application.
它属于河流学、地貌学、地质学的综合性学科，有其独特、完整的研究内容和系统、综合的研究方法。
It belongs to the synthetical subject of river science, geomorphology and geology, it has its own particular, intact studying contents and its systematic and synthetical studying methods.
本文从河流学、水文学、水力学和地质学的观点，介绍管道穿越河流的设计中需要考虑的因素和设计准则。
From the viewpoint of hydrology, hydrolics and geology, the paper deals with the factors worth consideration in pipeline river-crossing design and the principle of design.
本文从河流学、水文学、水力学和地质学的观点，介绍管道穿越河流的设计中需要考虑的因素和设计准则。
From the viewpoint of hydrology, hydrolics and geology, the paper deals with the factors worth consideration in pipeline river-crossing design and the principle of design.
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