octane scale

例句：

1. 1. The fuel's octane value determines its performance in the engine.
   燃料的辛烷值决定了它在发动机中的性能。
2. 2.The test results were used to calculate the vehicle's octane rating.
   测试结果被用来计算车辆的辛烷值。
3. 3.The manufacturer claims that their product meets or exceeds the octane rating for gasoline.
   制造商声称他们的产品达到了或超过了汽油的辛烷值标准。