Let this be the angle d theta so it moves in a short amount of time over an angle d theta dS and the arc here is dS, R and the radius is R.
这是角度dθ,它运动了一会儿,运动过角度dθ,弧度是，半径是。
dt If you divide both sides by dt, which mathematicians cannot do, but physicists can, then you get /dt=ds/dt d theta/dt equals ds/dt, and v/l that is the velocity divided by l.
如果两边同除以，数学家不会这么做，但是物理学家可以,得到dθ,等于。
DS is confirmed to be the platform for D/P, and like before, both games will come out together.
《口袋妖怪钻石。珍珠》将在DS这一平台发行，这已经得到确认，一如既往，游戏将分两个版本一同发行。
DS is confirmed to be the platform for D/P, and like before, both games will come out together.
《口袋妖怪钻石。珍珠》将在DS这一平台发行，这已经得到确认，一如既往，游戏将分两个版本一同发行。
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