| |||
union of set |
集 合并集 : 24 phrases in 13 subjects |
Aviation | 1 |
Business | 4 |
Economy | 1 |
Electronics | 1 |
Finances | 1 |
Information technology | 2 |
International trade | 2 |
Logistics | 1 |
Oil / petroleum | 1 |
Otorhinolaryngology | 1 |
Securities | 2 |
Technology | 4 |
Telecommunications | 3 |