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Explosives and Explosive Ordnance Disposal
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Al
alloy
铝合金的
Al
alloy
铝合金
Young et
al
's model
杨氏等人的模型
杨氏等人的模型认为,岩石中裂纹的起裂与扩展是由延展应变〈extensional strain〉决定的,当岩石中某点的延展应变大于某临界值时,原有裂纹起裂、扩展。延展应变定义为岩石中某点的主拉应变〈tensile strain〉、对数应变之和
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