As. error of standard ball measuring curve and of shafting radial revolving was same order of magnitude, there adopted reverse method to separate them, which required only one time dislocation.

• 由于基准球被测曲线误差与轴系径向回转误差在同一数量级上，故采用反向法分离二者误差，仅需一次转位既可完成误差分离。