efficiency characteristic

例句：

1. 1. The company's efficiencycharacteristic is well-known in the industry.
   该公司的效率特性在业界广为人知。
2. 2.The new design has improved the product's efficiency characteristic.
   新设计提高了产品的效率特性。
3. 3. The efficiency characteristic of the machine iscrucial for its performance.
   机器的效率特性对其性能至关重要。