When using multiple mics, though, slip the track for any mic set at some distance from the head so that its phase lines up with the dynamic mic inside the kick.
This paper proposes aa approach for calculating the failure probability of rock slopes with multipleslip surfaces or with multiple wedges.
本文提出的方法，可以计算有多个滑动面边坡的破坏概率和有多个楔形滑体边坡的破坏概率。
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The article gives a detailed analysis of the problems existing in the installation device of multipleslip switches in service, and an improvement proposal.