与化学相比，她更喜欢英语。
这使得他们能够将精油的分子与波普数据库中的数据相比较，并在化学上分类，将每一种精油都归于八大科目。
This allows molecules of oil to be compared against a spectral library which could identify them chemically and assign each oil to one of the eight families.
这个结果相比早先根据化学成分计算出来的确实相当不错。
The results actually compared pretty well to the earlier estimate based on chemical composition.
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