It is of significance to disclose channel processes and the causes of formation for terrace in practice and theory by studying longitudinal profile of the channel.
河流纵剖面的研究对于河谷、河床过程的认识以及阶地成因的揭示具有重要的理论和实际意义。
By analysis of the morphological process in longitudinal profile, cross section and river pattern, the law of river course evolution at Yellow river estuary was summarized.
通过分析黄河口河道在纵剖面、横断面、河型等方面的演变过程，总结归纳出黄河口河道的演变规律。
The reference sections showed growing RCF problems, while ground sections in otherwise identical conditions had no signs of RCF and displayed a smooth longitudinal profile.
参照区段出现了越来越多的RCF问题，而相同条件下的经过打磨的区段却一点RCF问题都没有，纵剖面仍然很平滑。
The reference sections showed growing RCF problems, while ground sections in otherwise identical conditions had no signs of RCF and displayed a smooth longitudinal profile.
参照区段出现了越来越多的RCF问题，而相同条件下的经过打磨的区段却一点RCF问题都没有，纵剖面仍然很平滑。
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