If you had a motor here that was causing a paddle to move up and down you could cause waves to form at one end of the tank and move from left to right.

如果这里有一个马达，使桨上下移动，就可以在水槽的一端形成波浪，从左到右扩散。

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To recreate the effect of heat flowing through the planet's interior, the researchers stirred this brew with iron paddles attached to iron discs placed at each end of the tank.

为了能重现地球内部热量运动的效果，研究人员将与容器两端的铁盘相连的铁桨浸于溶液内，并搅拌。

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Smooth fluid flow direction change (at the entrance end of the tank) is accomplished most effectively by using a radial lip.

平稳的流向变化(在槽入口端)可考虑使用一“摇臂导向板”来实现。

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And if you had a motor here that was causing a paddle to move up and down you could cause waves to form at one end of the tank and move from left to right.

如果在水槽里放个发动器,来让水上下起伏,波浪形成于,水槽的一端,然后从左向右扩散。

麻省理工公开课 - 固态化学导论课程节选