The characteristic line method is used to simulate the characteristics of the water conveyance system of the ship lock in the Three-Gorges Project.
利用等时段的特征线法数值模拟三峡永久船闸输水系统不补水工况下的输水特性，得出了输水管道沿程各节点水头及流量的变化规律。
This paper introduces the image preprocess methods for ship detection method under complex conditions. which has been successfully running in the temporary ship lock of Three Gorges.
给出了一种复杂条件下基于视频图象的实现船舶目标自动检测的图象预处理方法，其成功运行于长江三峡临时船闸的船舶检测系统中。
At present, Three Gorges five-level ship lock is the largest navigation facility in the world.
三峡五级船闸是目前世界上规模最大的通航设施。
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