Ben shu nei rong : jie shao le 3Gyi dong tong xin zhong de chuan shu ji shu ji yi xie ji ben gai nian ; jie shao le duo tian xian shou fa ji shu zai kai huan chuan shu xi tong zhong de ying yong ; jie shao le duo tian xian shou fa ji shu zai bi huan chuan shu xi tong zhong de ying yong.