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该文对PE薄膜的电导特性的实测数据进行了非线性回归分析，得出了三种模型．分析三种模型后可得有关项的物理意义，并可得到欧姆传导、空间电荷限制电流、隧道电流及其相互间的制约作用的物理实质．
In this paper, non-linear regression analysis of the measured data of the conductance of PE thin film has been made, and three models have been obtained. After analyzing the three models, we can get the physical meaning of the related items and get the physical essence of ohmic conduction, space charge limited current, tunneling current and their mutual restraint.