The engineering practice proves that GM(1, N) model possesses rather good precision and forecast dependability comparing with GM(1,1) model , which hase some applied value on settlement forecast.
通过工程实例，证明GM（1，N）模型与GM（1，1）模型相比有较好的拟合精度和预测可靠度，对沉降预测有很大参考价值。
The engineering practice proves that GM(1, N) model possesses rather good precision and forecast dependability comparing with GM(1,1) model , which hase some applied value on settlement forecast.
通过工程实例，证明GM（1，N）模型与GM（1，1）模型相比有较好的拟合精度和预测可靠度，对沉降预测有很大参考价值。
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