保存期 : 42 phrases in 18 subjects |
Agriculture | 2 |
Animal husbandry | 13 |
Aviation | 1 |
Bridge construction | 1 |
Business | 4 |
Commerce | 1 |
Drilling | 1 |
Economy | 3 |
Electronics | 1 |
Finances | 1 |
Information technology | 1 |
Management | 2 |
Multimedia | 2 |
Securities | 1 |
Space | 1 |
Surgery | 1 |
Technology | 5 |
Telecommunications | 1 |