This drag force depends on the shape of the object, the size of the object, the medium through which you move it and the speed of the object.
阻力取决于物体的,形状，大小,通过的介质,以及通过的速度。
This drag force depends on the shape of the object, the size of the object, the medium through which you move it and the speed of the object.
阻力取决于物体的,形状，大小,通过的介质,以及通过的速度。
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