classification of fractures

例句：

1. 1. The classifier is a tool that helps us categorize objects based on their characteristics.
   分类器是一种工具，帮助我们根据物体的特性进行分类。
2. 2. The taxonomist uses this classification to study the diversity of life on Earth.
   分类学家使用这种分类来研究地球上生命的多样性。
3. 3. The systematizer organized the data into categories, making it easier to find information quickly.
   系统化者将数据组织成类别，使快速查找信息变得更容易。