The optimal mathematical model, hi which the control aim is to make the peek value of water hammer smallest, is set up for the application in hydraulic and hydropower engineering.

作为水利水电工程中的应用，以水击压力峰值最小作为控制目标，建立了优化数学模型。

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He also got a peek at the NASA engine shop, shuttle landing facility and control tower, vehicle assembly building, and mobile launch platforms, as well as several other difficult-to-remember locales.

CNN: STORY HIGHLIGHTS