序号

铲装单耗成本(元/千克)

二次多项式计算结果

APE (%)

1

17.7778

17.2208

−3.1328

2

14.9219

16.0432

7.5145

3

14.5736

15.0081

2.9813

4

15.1145

14.1157

−6.6085

5

13.9098

13.3658

−3.9106

6

13.4559

12.7586

−5.1822

7

11.5862

12.2939

6.1083

8

11.4384

11.9719

4.6645

9

11.9728

11.7925

−1.5062

10

12.7027

11.7556

−7.4557