Kashfiyot
Xizmatlar
Identifikatsiya
Ishlab chiquvchilar uchun
Ekotizim
3 ta ish
Beijing Technology and Business University
Song Wang, Chen Zheng, Tenghao Ma +5
Zhiyong Song, Qingjie Cao, Qiyi Dai
Peng Gao, Zhiyong Zhang, Qiyi Dai +3