[4] [4] Cen H,Lu R,Mendoza F,et al.Postharvest Biology and Technology,2013,85:30.

[8] [8] Zhu C,Liu Q.Journal of Biomedical Optics,2013,18(5):050902.

[9] [9] Fraser D G,Jordan R B,Künnemeyer R,et al.Postharvest Biology and Technology,2003,27(2):185.

[10] [10] Baranai L,Zude M.Computer and Electronics in Agriculture,2009,69:33.

[11] [11] Qin J,Lu R.Computers and Electronics in Agriculture,2009,68(1):44.

[13] [13] Cubeddu R,D’Andrea C,Pifferi A,et al.Applied Optics,2001,40(4):538.

[14] [14] Saeys W,Velazco-Roa M A,Thennadil S N,et al.Applied Optics,2008,47(7):908.

[15] [15] Wang Lihong,Jacques S L.Monte Carlo Modeling of Light Transport in Multi-Layered Tissues in Standard C.University of Texas M.D.Anderson Cancer Center,Houston,Texas,1992.

[16] [16] Wang L,Jacques S L,Zheng L.Computer Methods and Programs in Biomedicine,1995,47(2):131.

[17] [17] Henyey L G,Greenstein J L.The Astrophysical Journal,1941,93:70.