Comparing the star shaped graph of unknown gasoline with those of known commercial gasolines can determine where the gasoline is from.
将绘制好的西安市面上随机购买的几种未知汽油星状图进行对比，成功地确定了其油品来源。
Comparing the star shaped graph of unknown gasoline with those of known commercial gasolines can determine where the gasoline is from.
将绘制好的西安市面上随机购买的几种未知汽油星状图进行对比，成功地确定了其油品来源。
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