Synthetic Essence 合成香精 ; 合成喷鼻精 ; 分解香精
Using convolution model synthetic seismogram in time domain and depth domain is been contrast and the essence distinction is revealed.
利用褶积模型，将深度域和时间域合成的地震记录相对比，揭示两者之间的本质区别。
The essence of synthetic evaluation problem is to transform these measurable attributes of object under evaluation into its functional attributes which are usually abstract and synthetic.
综合评价问题的本质是把评价对象的可测指标转换为较抽象的功能性指标。
The aroma characteristic of methyl ionone and its application in essence is outlined briefly. The synthetic method of methyl ionone by using citral from litsea cubeba oil is mainly introduced.
简略叙述了甲基紫罗兰酮的香气特征及其在香精方面的应用，主要介绍了从山苍子精油中提取柠檬醛来合成甲基紫罗兰酮的方法。
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