块体

Pyrite is more abundant and cobaltiferous and occurs in heavy patches in the sulfide mass.

黄铁矿很多，并且含钴，在硫化物中成稠密的斑。

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

为描述地壳损伤的各向异性，引入裂密度表示的损伤张量形。