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1·Some of phenol compound and oxygen containing compounds with tertiary butyl group were screened to use as gasoline antiknock additives.

在实验过程中筛选出几种酚类化合物和叔丁基含氧化合物等作为汽油抗爆添加剂。

2·A term numerically indicating the relative antiknock value of a gasoline.

用数字表明汽油相对抗爆值的一个术语。