fractal structure的用法和樣例：
例句
- Lattice structure is ubiquitous in nature.
格形結構是自然界中普遍存在的一種結構形態(tài)。 - Various methods of determinating fractal structute feature ofporous solid materials are commiented and reviewed in detail ,and fractal behavior ofcoal pores are summanrized.
詳細評介了確定多孔固體材料微孔分形結構特征的各種方法，總結了煤微孔的分形特征。
