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The upward buoyant force on an object partially or wholly submerged in a fluid is equal to the weight of the displaced fluid.
部分浸没或全部浸没在流体中的物体所受到的向上浮力,等于它所排开流体的重量。
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Buoyant force is equal to the weight of liquid displaced. It acts vertically upward.
浮力等于排开液体的体积, 方向垂直向上。
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