Approving crackwhich on the profile can represent the crack which in the cement sample,according to these, it can deduce fracture low inside the cement sample.
证实了预制剖面上的裂纹可以近似代表水泥试样内部的裂纹，并由此来推断水泥试样内部的损伤破坏规律。
参考来源 - 激波对饱和水泥试样损伤破碎尺度的实验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
An acoustic transducer system for use in the measurement of longitudinal sound velocity in a cement sample that is maintained at high temperature and pressure.
一种用于测量保存在高温高压下的水泥样品中的纵向声速的声换能器系统。
The fracture distribution rule in the cement sample abaft blast wave by-passing is observed, and blast wave spreading process and the fracture initiation & propagation mechanism are analyzed.
观测到了激波掠过后水泥试样中裂纹形貌的分布规律；分析了激波在水泥试样中的传播过程及裂纹的起裂扩展机理；
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