To supply hydrodynamic parameters for ship launching, computational fluid dynamics(CFD) method was used to analyze the process of longitudinal gravity launching for ship from a slipway.
为给船体下水提供水动力参数，采用计算流体动力学（CFD）方法对船体从船台上纵向重力式下水过程进行动力学分析。
The stepped low-pressurized water diversion system is a new type of gravity water supply system, which is simple in structure and water conservation weir is the pivotal structure.
分段低压输水系统是一种结构相对简单，采用分段降低水头的新型自流有压引水结构，而保水堰则是分段低压输水系统的关键建筑物。
This paper describes how to apply double-coded self-adaptive genetic algorithms based on gravity to supply water to optimize the design of pipe networks.
介绍了如何应用双重编码的自适应遗传算法对依靠重力供水的环状管网进行水力计算的优化设计。
In the absence of external power supply, the storage can take advantage of gravity on its own shutdown.
在没有外来电源的情况下，能利用重力蓄能自行关机。
In the absence of external power supply, the storage can take advantage of gravity on its own shutdown.
在没有外来电源的情况下，能利用重力蓄能自行关机。
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