The asphalt pavement structure, road surface types and thickness of the rural roads are suggested for the various action frequency of the equivalent axle load.
沥青路面结构，路面种类和厚度的农村道路，提出了各项行动的次数，相当于轴重。
The equivalent circuit model gives the instantaneous relationship between the sheath thickness and the surface potential at an insulating substrate placed on the pulse-biased electrode.
模型包括离子连续性方程、动量方程和泊松方程，特别是提出了可以自洽地决定绝缘基板表面电势、表面电荷密度和鞘层厚度关系的等效电路方程。
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