differential meaning

例句：

1. 1. The two companies have different strategies for marketing their products.
   两家公司在营销产品时采取了不同的策略。
2. 2. Differential equations are used to model complex systems.
   差分方程用于建模复杂系统。
3. 3. The team decided to implement a differential approach to improve efficiency.
   团队决定采用一种差异性方法来提高效率。