The results showed that the composites exhibited percolation threshold effect and positive temperature coefficient effect.
实验结果表明：复合材料具有明显的渗滤效应及正温度系数效应。
The results showed that the composites exhibited percolation threshold effect and positive temperature coefficient effect.
实验结果表明：复合材料具有明显的渗滤效应及正温度系数效应。
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