4.33终点误差 终点误差计算式: Y MT Et ep ep (M) sp MY1 M ep ep MlK'(MY·ca(M) (M) ep sp sp M ep M. K(MY C(M) p Sp 1717 4.3.3 终点误差 终点误差计算式: ep ep t sp [Y ] [M ] = (M) E c   － s e e p p p [M ] 1 = [M ] (MY) (M) K c     － sp sp ep ep ep [MY] [M ] = [M ] (MY) (M) (M)  K c c     －