名词
中文翻译：多环杂环化合物
同义词：
['polycyclic heterocycles', 'polycyclic aromatic compounds']
例句：
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1. Thesemolecules are known to be polyaromaticheterocycles with unique properties.
这些分子已知是具有独特性质的多环杂环化合物。
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2. The study of polyaromatic heterocycles has led to significant advancementsin materials science.
对多环杂环化合物的研究已导致材料科学的重大进步。
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3. Polyaromatic heterocycles have been foundto play a crucial role in the formationof certain biologically active compounds.
发现多环杂环化合物在形成某些生物活性化合物中起着关键作用。