So it is necessary to test blasting vibration of the surrounding rock near tunnel blasting source and to study the blasting vibration rule.

因此，测试隧道爆破近区围岩的振动、研究隧道掌子面附近围岩的振动规律是隧道钻爆施工安全的重要保证。

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So it is necessary to test blasting vibration of the surrounding rock near tunnel blasting source and to study the blasting vibration rule.

因此，测试隧道爆破近区围岩的振动、研究隧道掌子面附近围岩的振动规律是隧道钻爆施工安全的重要保证。

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