octane rating

基本解释

The gasoline label number is classified by the octane rating, which means the content of the octane.
汽油的标号是通过它的辛烷值来划分的。辛烷值代表汽油中辛烷的含量。
Another problem is that existing petrol engines cannot take advantage of the much higher octane rating.
另外一个问题是现有的汽油引擎无法利用更高辛烷值的优势。
Some areas in America has prohibited MTBE that is gasoline octane rating's additive,and more areas will be possibility.
甲基叔丁基醚(MTBE)作为汽油辛烷值的改进剂已在美国部分地区受到禁用,并有大规模禁用的可能性。
The test mixture by which a gasoline's octane rating is judged combines 2,2,4-trimethylpentane and heptane (87 to 13 percent for “87 octane”).
用以测定汽油辛烷值的，是2,2,4-三甲基戊烷和庚烷的混合物（辛烷值为87表示两者比例为87:13）。
However, if it knocks heavily under most driving conditions while you are using fuel with the recommended octane rating, see your authorized dealer to prevent any engine damage.
可是，在使用推荐的辛烷值燃油时，要是在大部分行驶条件下爆震严重，请找你的福特授权经销商，避免任何对于发动机的损伤。

a measure of the quality of a petrol expressed as the percentage of isooctane in a mixture of isooctane and n-heptane that gives a fuel with the same antiknock qualities as the given petrol