名词
中文翻译：分子组成
同义词：
['chemical composition', 'molecular structure例句：1. The study of molecular composition is crucial for understanding the properties of materials.（研究分子组成对于理解材料的性质至关重要。）']
例句：
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1. The study of molecular composition is crucial for understanding the properties of materials.
研究分子组成对于理解材料的性质至关重要。
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2.The chemical composition of the substance was determined by X-ray diffraction.
该物质的化学组成通过X射线衍射法确定。
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3.The molecular composition of the protein plays a significant role in its function.
蛋白质的分子组成对其功能起着重要作用。