gasoline octane rating

例句：

1. 1.The gasoline in the tank needs to be checked regularly to ensure it meets the required octane rating.
   油箱里的汽油需要定期检查，以确保其符合所需的辛烷值。
2. 2. The car's performance is directly related to its gasoline octane rating.
   汽车的性能与汽油的辛烷值直接相关。
3. 3.The manufacturer has improved the gasoline octane rating of their new engine.
   制造商已经提高了他们新引擎的汽油辛烷值。