scrap rate

例句：

1. 1. The scrap rate for this material is high, which means it's difficult to recycle.
   这种材料的回收率很高，这意味着回收很困难。
2. 2.To reduce waste, the company has implemented a policy of increasing the scrap rate.
   为了减少废物，该公司实施了提高回收率的政策。
3. 3. The scrap rate is calculated based on the amount of material that can be recycled into new products.
   回收率是根据可以被回收成新产品的材料量来计算的。