土地级别Land Grade

I

II

III

IV

V

成本法与V级差异

Cost method and V-level difference

分级别回归模型预测

Graded-sample regression model prediction

2266

1605

1134

663

417

−28

全部样点回归模型预测

Full-sample regression model prediction

2322

1480

1077

812

613

168

灰色模型预测

Grey model prediction

2155

1670

1114

743

495

50