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1.The researchers found that the charge carrier density gradient in the sample was significantly different from that in the control group.
研究人员发现样本中的电荷载体密度梯度与对照组有显著差异。
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2. The study revealed that the charge carrier density gradient plays a crucial role in the formation of the crystal structure.
研究发现，电荷载体密度梯度在晶体结构形成中起着关键作用。
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3. The gradient of charge carrier density in the material is an important factor affecting its electrical properties.
材料中电荷载体密度梯度是影响其电气性质的重要因素。