以下为句子列表：
英文: Abstract: Based on the results of hydraulic model test and remote-control ship model, the unsteady flow characteristics in the downstream approach channel and the reaches from Three Gorges Project to Gezhouba Project and navigation conditions in these rea
中文: 文摘:根据水工模型试验成果，分析了三峡工程泄洪时坝下游引航道和两坝间河段(三峡至葛洲坝)的非恒定波流运动特性，结合遥控自航船模试验对两坝间的通航水流条件进行了分析评价，并提出了提高通航流量标准、改善通航条件的相应措施。
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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 the characteristics of the daily regulation wave of hydropower stations, the water surface lines in the rising and falling stages are calculated by using an one-dimensional steady flow model and an unsteady flow sediment model.
中文: 摘要根据水电站日调节波的特性，运用一维恒定流和非恒定流泥沙数学模型，分别计算了河道涨落水过程的水面綫。
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英文: Based on the river regime of TGP dam area and the arrangement of upper and lower access channels, the experimental research on the influence of such unsteady flow on the navigation, the evaluation of navigable conditions under the unsteady flow and the st
中文: 本文结合坝区河势特点及上下游引航道布置，试验研究了大坝泄洪及船闸充泄水非恒定流对上、下引航道通航影响，同时进行了非恒定流通航条件评价及改善措施研究。
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英文: In the whole course of flood regulation of TGP during flood season as well as filling and discharging of its shiplock, unsteady flow at different levels will occur in the upper and the lower access channels, which will exert an adverse impact on the navig
中文: 摘要三峡水利枢纽在汛期调洪和船闸充、泄水运行全过程，在上、下游引航道内将产生不同程度的非恒定流，对航运构成相应的不利影响。
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