R And the track has a radius R, and at this moment in time the angle equals theta, and here is the object.
轨道半径是，在这个时刻,角度等于θ,这是物体。
So half the track is about 2.5meters, so the angle theta maximum - is approximately 2.5 meters-- - which is half the length of the track-- 115- divided by 115 and that is an extremely small angle.
它的一半是2。5米，因此角度θ的最大值,大约是2。5米-,也就是轨道的一半-,除以5,它实在是个小角度。
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。
That's exactly right, y0 because then the distance R between here and the y zero is R, so this is the potential energy as a function of angle theta.
它非常正确，因为这样，这里和,的距离是，因此这是势能,关于θ的变化。
Remember that polar coordinates are about replacing x and y as coordinates for a point on a plane by instead r, r and theta,which is the angle measured counterclockwise from the positive x-axis.
极坐标是关于r，θ的,用r，θ代替平面上一点的x，y坐标，是从原点到那一点的距离，，which，is，the，distance，from，the，origin，to，a，point，θ是由x轴逆时针旋转,而得到的夹角。
Based on the theta-role theory, this paper examines the problem from the Angle of semantic variation of the verb, and proposes a new method of derivation.
结合题元角色理论，从动词语义变化的角度对其进行分析，可以提出合理的推导方法。
Based on the theta-role theory, this paper examines the problem from the Angle of semantic variation of the verb, and proposes a new method of derivation.
结合题元角色理论，从动词语义变化的角度对其进行分析，可以提出合理的推导方法。
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