ben yan jiu an zhao shi nai de Snyder li si qia Liska wo er te Walt he huo si di Holsti deng tong meng li lun da shi de yan jiu cheng guo she ding yan jiu jia she tong meng yi zhi de yi shi xing tai gong tong li yi cheng yuan guo de gong xian neng li zhe 3 ge yin su dui mei han he mei ao tong meng jin mi du chan sheng le zui zhong yao de ying xiang wei le jian yan zhe xie jia she ben wen shou xian ba mei guo guo wu yuan mei nian fa bu de you xiao de tiao yue tiao yue mu lu he qi ta guo ji xie ding zuo wei kao cha tong meng jin mi du de zhi biao an zhao zhe fen zi liao mei guo yu han guo ao da li ya qian shu de fang yu tiao yue shu liang fen bie wei 48 ge he 50 ge si hu xiang cha wu ji dan shi cong qi zhi liang jiao du lai kan mei ao tong meng de fang yu tiao yue da bu fen ji zhong zai qing bao gong xiang bao mi he dao dan fang yu xi tong deng gao duan he zuo xiang mu shang fan guan mei han tong meng qian shu de xi lie fang yu tiao yue dang zhong 50 du shi guan yu mei jun ji di shi yong he hou qin bao zhang deng jiao di duan de he zuo xiang mu you ci ke jian mei ao tong meng shi bi mei han tong meng geng jin mi de tong meng ben wen tong guo dui mei han yu mei ao tong meng fa zhan jin cheng de fen xi cong tong meng de gong tong li yi yi shi xing tai he tong meng zhong jiao ruo cheng yuan guo shi li de jiao du xi tong kao cha mei han he mei ao liang ge tong meng jin mi du cha yi chan sheng de ji li