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汉语拼音：fú lì

物体在流体（液体和 气体）中由于上下表面所处的深度不同而受到的向上托的力。浮力在数值上等于被物体排开的流体的重量。

1. 物体在流体(液体或气体)中由于上下表面所处的深度不同而受到的向上托的力量。其大小等于被物体所排开的流体的重量。

   徐迟 《哥德巴赫猜想·石油头》：“浮力小了，井下岩屑它带不出来。岩屑积多了，钻头更不容易下到底下去。”

• This platform is buoyant enough to remain a few inches under the surface, so never seen, and the same color as the Thames.

  这个平台的浮力足够保持在水下几英尺，所以从未被看到，而且与泰晤士河颜色相同。

• Due to buoyancy effect, the cooling water goes up to the surface of seawater after it is drained into the huge tidal bay.

  温排水排入海湾后，温差所产生的浮力效应，温排水趋于海水上层运移，随潮流的运动在呈现涨落分布。

• are enough to give the great bird with its immense wings sufficient sustenance and progress.

  给这种巨翼大鸟以足够的浮力和推力。

• I directly run to my home office, sit at my computer, I type in the ideas, I sketch things out, and I keep a database of ideas.

  （Eureka阿基米德发现浮力后喊道的）我直接跑到书房去，坐在计算机旁边，输入下我的点子，我勾画出来的东西，我有一个点子数据库。

• The rocks are actually lifted up by the ice, or at least made more buoyant by the ice, making it easier for the rocks to migrate.

  石头被冰层托着，或者至少由于冰的作用具有一些浮力，于是很容易移动。

• Almost all cargo vessels, by contrast, have flat bottoms, which allow a larger volume to be kept buoyant for a given amount of hull metal.

  相比之下，几乎所有商船的底部都是平的，因为这样可以为庞大的金属船壳提供更大的浮力。

• Closely related to the measurement of the gold crown is the matter of buoyancy.

  与测量金王冠密切相关的是浮力问题。

• Not all buoyant objects ride the surface, as the water pressure from above varies with water depth.

  不是所有有浮力的物体都能露在水面外，因为来自上面的水压随着水深而变化。

• Batteries: Hawkes is using the latest lithium-ion batteries, known as lithium-polymer. Their housing is pressurized to help with buoyancy.

  电池：霍克斯使用最先进的锂离子电池，它们的外壳受压后可潜艇提高浮力。