It is difficult to detect the absolute density of rock by ct image in quantitative analysis of rock damage process in compression.
用CT图像定量分析岩石受力损伤破坏过程的难点，是难以知道岩石内部的绝对密度变化量。
Furthermore, the degree of collagen damage in the residual thermal zone was evaluated by quantitative analysis of second harmonic generation signals.
我们能够更进一步定量分析二倍频减少的程度，来 评估雷射后剩馀热伤害的程度。
Then, finite element analysis is applied to formulate a quantitative damage extent analysis method and a checking test for this method is done to prove the method is feasible.
之后，通过有限元分析，推导出损伤程度量化分析方法，并证明了该方法的可行性。
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