The mathematical model of the capacitance and the componentfactor of multi-component flow shows we can build up the image of the multi-component flow section.
电容测量值与多相流含相率之间的数学模型表明，可以应用电容层析成像技术对多相流截面进行图像重建；
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A finite element-curve fitting method for determining the rigidity of back filling soil, which is a basic componentfactor of the model, is also given in this paper.