Title: Wei xing ji suan ji jie kou ji shu ji yingyong
Description: Bao gua : cun chu qi jie kou, bing xing jie kou, ren-ji jie kou, chuan xing tong xin jie kou, D/AheA/Djie kou, ruan ci pan ji jie kou, ying ci pan ji jie kou deng, bing dui jie kou de yi xie gong xing ji shu jin xing tao lun.
Subjects: Wei xing ji suan ji, Jie kou she bei