如前章所述，样品的内部孔隙可通过光学试验捕获。对不同纤维因素（体积含量

As described in the previous chapter, the internal pores of the sample can be captured by optical testing. Optical tests were performed on samples with different fiber factors (volume content, length and dosing method), followed by statistical analysis of binary images of pore structure to obtain pore structure parameters (PS, SF and FDPD). Based on this, the following discussion can be made.

As described in the previous chapter, the internal pores of the sample can be captured by optical tests. Optical experiments were carried out on samples with different fiber factors (volume content, length and addition method), and then the binary images of pore structure were statistically analyzed to obtain pore structure parameters (PS, SF and fdpd). Based on this, the following discussion can be carried out.

As mentioned in the previous chapter, the internal pores of the sample can be captured by optical test. Optical experiments were carried out on samples with different fiber factors (volume content, length and doping method), and then the binary images of pore structure were statistically analyzed to obtain pore structure parameters (PS, SF and FDPD). Based on this, the following discussion can be made.