In this paper, the boundary point method (BPM) is applied to the study of the non unique solution at characteristic frequency for exterior acoustic radiation caused by vibrating body.
2
根据非层状地下空间处地层产状及定位特征点数，给出了确定地层构造形态的方法。
From the attitude of strata and the number of characteristic point at an underground non-bedded shape room, the method to determine the equation of stratum structure was presented.
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