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飞机如何飞行?
大型飞机,如波音747,长约70.7米,飞行重量达到394.6吨,轻松在空中飞行。关于这样庞大的物体如何维持飞行,科学频道MinutePhysics在其视频《How Do Airplanes Fly?》中通过“伯努利定理”进行了通俗易懂的解释。 飞机能浮在空中,是因为它所受到的多种力处于平衡 ...
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