The design and implementation of control, survey and adjustment scheme of holing through error in Danjiashao Tunnel construction are presented in this paper.

介绍旦架哨隧道施工中贯通误差的控制、测量、调整方案的设计与实施过程。

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For a week they struggled through one blizzard after another, holing up in their tents during the worst of the weather.

他们在一场又一场暴风雪中挣扎了一个星期，在最恶劣的天气里躲在帐篷里。

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The conclusion of this text is: through the study on soil nature and BP neural network , a holing parameter predicts models after setting up.

其结论为：通过对岩土性质及BP神经网络的研究，建立了一种新的钻孔间参数预测模型。

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