So this was originally the spin angular momentum of the wheel.

所以，这是原本的旋转的，角动量。

youdao

And so the angular momentum of spin of the wheel is in this direction.

所以旋转的角动量是，这个方向。

youdao

And so the angular momentum of spin of the wheel is in this direction.

所以旋转的角动量是，这个方向。

youdao