本文研究了含有微小裂隙的韧性材料中细观损伤的演化。

Study is emphasized on the evolution of microstructural damage induced in material, which initially embeds flaws.

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实际资料应用表明，该方法能够有效检测微小裂隙、划定特殊地质体边界等。

The real data application indicates that this method can effectively detect micro fracture, delineate the boundary of the special geologic bodies and so on.

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随外加应力的增大，在裂隙周围的基体中微小空洞不断地萌生并扩展。

Tiny voids surrounding the flaws can be generated and grow large as the external stressing increases.

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