However, the crack detection rate and reliability of these methods need further study.
但是，这些方法的裂纹检出率和可靠性需要深入研究。
The effect of thermal induced crack on sediment rock is discussed. The methods of acoustic measurement and nuclear magnetic resonance technology are applied for detection of the crack.
研究热开裂对储集岩石的物性影响，系统地考察了声学检测、磁共振技术等方法在检测岩石热开裂中的效果。
Methods for statistical analysis of crack detection probability and some ideas are given.
给出了结构件裂纹检测技术的检出概率统计分析方法，并提出了新的设想。
In the paper, methods and researches of engineering structural crack detection based on vibration diagnosis are reviewed.
本文综述了基于工程结构裂纹的振动诊断方法。
In the paper, methods and researches of engineering structural crack detection based on vibration diagnosis are reviewed.
本文综述了基于工程结构裂纹的振动诊断方法。
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