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

为描述地壳的各向异性，引入裂纹度表示的张量形式。

Microdamage accumulation will finally lead to bone fatigue fracture.

显的积累最终会导致骨的疲劳骨折。