Zen yang xuan ze he shi yong ding shi

Ben shu gong fen wu zhang.Di yi zhang"zhan kong jiao he gua jiao",Jie shao zhan kong jiao he gua jiao de ji ben zhi shi.Di er zhang"ji ben ding shi",You xuan ze di jie shao yi xie ji ben de he xiang dui jian dan de ding shi.Di san zhang"li jie ding shi",Dui yi xie ding shi de bian hua he jie guo jin xing shuo ming.Di si zhang"xuan ze shi yong ding shi",Jie shao xuan ze shi yong ding shi de yuan ze he fang fa.Di wu zhang"xuan ze shi yong ding shi wen da",Yi ti wen jie da de fang shi,Jie shao zai shi zhan dui ju zhong,Ru he xuan ze he shi yong ding shi.