微细构造

例句：

1. 1. The microstructure of the material is crucial for its performance.
   材料的结构对其性能至关重要。
2. 2. The researcher focused on the microstructure of the crystals.
   研究者专注于晶体的微观结构。
3. 3.The microstructure of the material has a significant impact on its strength and durability.
   材料的微观结构对其强度和耐用性有显著影响。