| 释义 |
chemical fingerprintn.（名词）- A unique pattern indicating the presence of a particular molecule, based on specialized analytic techniques such as mass- or x-ray-spectroscopy, used to identify a pollutant, drug, contaminant, or other chemical in a test sample.化学指纹：以各种像是多光谱或X光等专业分析技术为基础，所做出的一种能显示某种特殊分子存在的独特图谱，主要用来辨识检测样本中的污染物、药物、沾污物或其它化学成分
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