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。

The characteristic line method is used to simulate the characteristics of the water conveyance system of the ship lock in the Three-Gorges Project.

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除公司结构程另注，有限责任公司享有法定公司永久存在之特性。

Unless otherwise specified by the Articles of Organization, LLC's enjoy perpetual continuity similarly as in a corporation.

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