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。

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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。

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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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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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