The study focused on the use of fractal theory research wood table bifida. 本研究著(zhù)重使用分形理論研究木材的表裂。
The irregularity of cavity defects of die castings is quantitatively analyzed by fractal theory and statistic method. 對分布不規則的壓鑄件內部孔洞采用分形理論與數理統計的原理進(jìn)行了分析。