For EPB(Earth Pressure Balance)shield tunneling, one must properly choose driving parameters to maintain face stability and control ground subsidence.

为保证开挖面稳定及控制地面沉降，土压平衡盾构掘进时必须合理匹配各施工参数。

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But on the other hand, a good many people admit that they are too much addicted to computers to maintain face-to-face contact with their friends and colleagues.

但另一方面，很多人承认他们太沉迷于电脑而不愿与朋友和同事保持面对面接触。

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But on the other hand, a good many people admit that they are too much addicted to Internet to maintain face-to-face contact with their friends and colleagues.

但另一方面，很多人承认他们太沉迷于网络而不愿与朋友和同事保持面对面接触。

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But on the other hand, a good many people admit that they are too much addicted to Internet to maintain face-to-face contact with their friends and colleagues.

但另一方面，很多人承认他们太沉迷于网络而不愿与朋友和同事保持面对面接触。

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