图4(b)的部分分段点

884.496

972.9

214.754

850.7

1301.456

89.3

248.632

918.85

162.634

742.6

806.316

831.9

775.044

667.4

97.484

599.25

808.922

813.1

553.534

773.15

287.722

502.9

798.498

799

420.628

836.6

1004.372

199.75

782.862

730.85