Evolution characteristics of riverbed in fluctuating backwater area.
变动回水区河床演变特性。
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.
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。
Far from an austere backwater, the intergalactic medium (IGM) is turning out to be the central staging area for cosmic evolution.
星系际介质(igm)完全不是死水一潭，它正跃居宇宙演化的中心舞台。
Calculation of backwater in reservoir is foundational for defining inundated area in a reservoir and demonstration a planned program.
水库回水计算是确定水库淹没范围，进行规划方案论证的基础工作。
Calculation of backwater in reservoir is foundational for defining inundated area in a reservoir and demonstration a planned program.
水库回水计算是确定水库淹没范围，进行规划方案论证的基础工作。
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