The microscopic mechanism of irradiation damage of Al film reflector is studied by the slow positron annihilation technique and X-ray diffraction.

用慢正电子湮没等分析技术研究了辐照损伤的微观机制。

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Microscopic damage often USES an average method to describe the study results of microscopic structural damage mechanism in macroscopic mechanics of material.

细观损伤力学常采用一种平均化的方法，把细观结构损伤机制研究的结果反映到材料的宏观力学行为的描述中去。

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Microscopic damage often USES an average method to describe the study results of microscopic structural damage mechanism in macroscopic mechanics of material.

细观损伤力学常采用一种平均化的方法，把细观结构损伤机制研究的结果反映到材料的宏观力学行为的描述中去。

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