fixed increment rule

例句：

1. 1. The company has implemented a fixed-increment rule for its profit margins.
   该公司已实施了一项固定增量利润边际规则。
2. 2. This is an example of a fixed-increment rule in finance.
   这是金融中固定增量规则的一个示例。
3. 3. The fixed-increment rule allows us to adjust the price based on changes in demand and supply.
   固定增量规则使我们能够根据需求和供应的变化调整价格。