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.
比如，将一个科目以同一难度水平讲授给聪明的13岁孩子和学得比较费力的17岁孩子，就不是一个使课堂协调的好办法。
Teaching a subject at the same level to bright 13-year-olds alongside struggling 17-year-olds, for example, is not a recipe for classroom harmony.
这些材料通常能在家中再创学校环境，并且基于与公立学校相同的科目范围，要转入学校就会比较容易。
Typically, these materials recreate the school environment in the home and are based on the same subject-area expectations as publicly run schools, allowing an easy transition into school.
通过对两者的分析比较，使我们能准确掌握这两个科目的核算与应用，提供高质量的会计信息，更好地为企业经营决策服务。
By comparing and analyzing them, we can grasp correctly the calculation and application of the two objects, therefore serve the enterprise management police decision better.
很明显，同学们喜欢那些上课模式比较活跃，有较多讨论机会的偏文科式的科目。
It is clear that students like those classes more active mode, there are more opportunities for discussion of the bias liberal arts-type subjects.
很明显，同学们喜欢那些上课模式比较活跃，有较多讨论机会的偏文科式的科目。
It is clear that students like those classes more active mode, there are more opportunities for discussion of the bias liberal arts-type subjects.
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