| |||
可变方法 |
variables method : 63 phrases in 16 subjects |
Air defense | 2 |
Aviation | 3 |
Business | 9 |
Chemistry | 1 |
Construction | 1 |
Earth sciences | 3 |
Ecology | 1 |
Economy | 1 |
Electronics | 3 |
Information technology | 3 |
Mining | 1 |
Oil / petroleum | 3 |
Polymers | 1 |
Rail transport | 1 |
Space | 2 |
Technology | 28 |