To add rigidity, braces are sometimes fastened from the overarm to the knee.

为了增加刚性，有时从悬臂到升降台装上一对撑臂加以紧固。

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Ribs are sometimes add to the webs of castings to give greater strength and rigidity.

有时在铸件的腹板上加上肋条，以增强其强度和刚度。

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One of the upright partitions dividing a ship into compartments and serving to add structural rigidity and to prevent the spread of leakage OR fire.

船舱壁一种直立的隔板，将船分为若干舱，用来增加结构上的坚固和阻止进水的蔓延。

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So when I got my custom bike, I told Seven Cycles this and they built in an oversized seat tube to add rigidity for my standing pedal stroke, an efficiency increase.

FORBES: Why You Need a Custom Road Bike