以下为句子列表：
英文: According to the hydraulic property of overflow weirs under steady flow, the flow patterns of overflow weirs were classified into free overfall and submerged overfall, and numerical models for unsteady flow were established to simulate the two flow patter
中文: 摘要为了对保水堰的交替水流进行数值模拟，依据保水堰恒定流情况下的工作特性，将保水堰的水流形态分成堰流和满流两种状态，分别建立保水堰不同流态下的非恒定流数学模型。
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英文: Based on an analysis of the mechanism of flow pattern alternation, approximate criterion for flow pattern alternation was formulated, and a numerical model was worked out for simulation of free overfall and submerged overfall alternation by combination of
中文: 分析两种不同水流形态的交替机理，建立两种水流的转换条件，联立两种不同形态的数学模型构成保水堰的堰流和满流交替的非恒定流数学模型。
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英文: The application of the chequer overfall weir in the spillway of Fengyangshan reservoir
中文: 格仓式溢流堰在凤阳山水库溢洪道的应用
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英文: The spillway of Fengyangshan Reservoir is a flank trough one, according to the local condition, its sluice has used a chequer overfall weir, and the top of the weir is WES-V one.
中文: 凤阳山水库溢洪道为侧槽式溢洪道 ,其泄洪闸采用格仓式溢流堰 ,堰顶采用 WES-V型实用堰。
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