位于印度南部喀拉拉邦（kerla）的科钦（Cochin），海水与河水的交集区域，当地人把这片区域称为回水区。
变动回水区河床演变特性。
Evolution characteristics of riverbed in fluctuating backwater area.
探索主城变动回水区的港区布局问题，并提出建议。
The layout of the metropolitan port in variation backwater zone is studied and some Suggestions are given.
三峡工程施工期变动回水区河段由于水位变化，使部分河段碍航情况加剧。
During the construction of Three Gorges Project, in some part of the river, due to the change of water level in fluctuating backwater area, the difficulty of navigation is intensified.
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