material change rate

例句：

1. 1. Thecompany's performance has been closely monitored to ensure that the material change rate remains within acceptable limits.
   公司的业绩一直受到密切监控，以确保材料改变率保持在可接受的范围内。
2. 2. In order to improve efficiency, the factory is implementing a new material change rate system.
   为了提高效率，工厂正在实施一种新的材料改变率系统。
3. 3. The research team found that the material change rate had a significant impact on the product quality.
   研究团队发现，材料改变率对产品的质量有显著影响。