释义 |
- 1
Reduce radius of synodical arc of tee. - 2
the radius of curvature of our arc, which is also an air track, equals 115 plus or minus five meters. ,这个弧度的半径,也是个空气轨道,等于115上下5米。 - 3
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。
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