同 步系统: 125 phrases in 22 subjects |
Agriculture | 1 |
Air defense | 5 |
Automobiles | 1 |
Aviation | 12 |
Business | 1 |
Communications | 1 |
Computer networks | 1 |
Construction | 1 |
Earth sciences | 6 |
Electric machinery | 4 |
Electronics | 26 |
General | 2 |
Hydroelectric power stations | 2 |
Information technology | 4 |
Mathematics | 1 |
Metallurgy | 1 |
Rail transport | 2 |
Securities | 1 |
Shipbuilding | 1 |
Space | 11 |
Technology | 39 |
Telecommunications | 2 |