microdamage

To describe the anisotropy of microdamage of the crust block, we use the damage tensor that is expressed in the fissure density.

为描述地壳块体伤各向异性，引入裂纹密度表示伤张量形式。

Microdamage accumulation will finally lead to bone fatigue fracture.

伤积会导致骨疲劳骨折。