flare factor

例句：

1. 1. The new model car has a higher flare factor than the old one.
   新款汽车的燃烧系数比旧款高。
2. 2.The scientist used the flare factor to calculate the energy output of the fire.
   科学家利用燃烧系数来计算火的能量输出。
3. 3. The flare factor is an important indicator of the safety of the fire.
   燃烧系数是衡量火灾安全性的重要指标。