名词
中文翻译：杂质扩散
同义词：
['impurity diffusion', 'impurity diffusion', 'impurity diffusion']
例句：
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1. The process of diffusion is crucial in determining the distribution of materials.
扩散过程对于材料分布至关重要。
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2. In the study of diffusion, scientists use mathematical models to simulate the movement of atoms and molecules.
在扩散研究中，科学家们使用数学模型来模拟原子和分子的运动。
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3. The rate of diffusion depends on the concentration gradient between the two substances.
扩散速率取决于两种物质之间的浓度梯度。