摘要
文研究了插补原理中走步误差最低极限为1／2步；发生曲线不是唯一的；也不是可逆的。
The step error of the Interpolation Theorm is explored in this paper.The lowest limit is 1/2step;The generating curve is not only and, it's not invertible,either.
关键词
插补原理
走步误差
最低极限
机械计算
interpolation theorm, step error lowest limit, generating curve
