bearing classification

例句：

1. 1. The classification of materials is crucial for the design of buildings.
   材料分类对于建筑设计至关重要。
2. 2. This classification system helps us to organize and categorize information more effectively.
   这种分类系统有助于我们更有效地组织和分类信息。
3. 3. The classification of species is essential for understanding the diversity of life on Earth.
   物种分类对于理解地球上生物多样性至关重要。