cost-performance ratio

• 性能价格比

cost-performance ratio的用法和样例：

例句

1. Experiments prove that the segment is sharp and endurable,and has a satisfactory performance cost ratio.
   试验表明，该工艺制备的金刚石刀头锋利耐用，并具有良好的性能价格比。
2. The diamond sawing blade manufactured by this method can process marble and granite with high efficiency and low cost.
   研究表明，该方法制备的新型金刚石刀头锋利耐用并具有良好的性能价格比。