位置 图 : 96 phrases in 22 subjects |
Agriculture | 1 |
Architecture | 1 |
Automobiles | 3 |
Aviation | 5 |
Bridge construction | 3 |
Business | 1 |
Commerce | 1 |
Communications | 1 |
Construction | 1 |
Earth sciences | 2 |
Economy | 1 |
Electronics | 4 |
Engineering geology | 3 |
Finances | 2 |
General | 2 |
Hydroelectric power stations | 5 |
Metallurgy | 1 |
Oil / petroleum | 3 |
Rail transport | 1 |
Space | 2 |
Technology | 51 |
United Nations | 2 |