运用灰色理论建立预测地下工程开挖位移的模型，预测成洞后长期的开挖稳定位移，为工程开挖提供了较为有效的方法。
The model can predict displacement which is caused by excavation in underground engineering and can predict stable displacement over a long period of time after formed excavation.
运用灰色理论建立预测地下工程开挖位移的模型，预测成洞后长期的开挖稳定位移，为工程开挖提供了较为有效的方法。
The model can predict displacement which is caused by excavation in underground engineering and can predict stable displacement over a long period of time after formed excavation.
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