分级结构

例句：

1. 1. The company has implemented a new system to improve its performance.
   该公司已实施新系统以提升其性能。
2. 2. This ranking structure helps to identify the most successful companies in the industry.
   这种等级制度有助于识别该行业中最成功的公司。
3. 3. The ranking structure is based on factors such as market share and customer satisfaction.
   该等级制度基于市场份额和客户满意度等因素。