不同埋深灰岩岩爆倾向性及声发射特征试验研究
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Experimental Study on Rock Burst Tendency and Acoustic Emission Characteristics of Limestone at Different Buried Depths
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图6. 灰岩声发射主频随时间的变化曲线及主频分布图 |
Fig.6. Variation curve of main frequency of limestone acoastic emission(AE) with time and distribution map of main frequency |
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