..............page:67-68+71
wei xiao ling jian tu xiang er zhi hua chu li de yan jiu
CHEN Dai min Scientific Research Department;Changchun University;Changchun 130022 ZHANG Jian WANG Zhi hong Mechanical Engineering College;Changchun University;Changchun 130022 SUN Kun Mechanical Science and Engineering College;Jili
..............page:1-3
..............page:17-18+22