RT Journal T1 Normal distribution of lattice close-degree based on granular computing A1 MA Yuan-yuan, MENG Hui-li, XU Jiu-cheng, ZHU Ma PB JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) FD YR 2014 JF JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) JO JOURNAL OF SHANDONG UNIVERSITY(NATURAL SCIENCE) VO 49 IS 08 SP 107 DO 10.6040/j.issn.1671-9352.1.2014.064 K1 granular computing;normal distribution;lattice close-degree LK {http://lxbwk.njournal.sdu.edu.cn/EN/article/article_36.shtml}