hierarchical chart

例句：

1. 1.The hierarchical chart shows the organization's structure in a clear and concise manner.
   层级图表以清晰简洁的方式展示了组织的组织结构。
2. 2. This hierarchical chart helps us understand the company's divisions and responsibilities.
   这个层级图表帮助我们理解公司的部门和职责。
3. 3. The hierarchical chart is essential for planning and organizing projects effectively.
   层级图表对于有效规划和组织项目至关重要。