长期计划: 48 phrases in 19 subjects |
Agriculture | 1 |
Animal husbandry | 1 |
Aviation | 5 |
Business | 7 |
Earth sciences | 4 |
Ecology | 1 |
Economy | 3 |
Electronics | 3 |
Finances | 2 |
General | 1 |
Heavy equipment vehicles | 4 |
International Monetary Fund | 1 |
Management | 1 |
Multimedia | 1 |
Navigation | 1 |
Planning | 1 |
Rail transport | 1 |
Securities | 1 |
Technology | 9 |