层间的 : 81 phrases in 22 subjects |
Agriculture | 1 |
Animal husbandry | 1 |
Architecture | 7 |
Automobiles | 1 |
Aviation | 2 |
China | 2 |
Drilling | 4 |
Earth sciences | 1 |
Economy | 2 |
Electronics | 2 |
Engineering geology | 5 |
General | 19 |
Geology | 2 |
Geophysics | 2 |
Metallurgy | 3 |
Plastics | 2 |
Refrigeration | 2 |
Securities | 1 |
Space | 2 |
Technology | 14 |
Textile industry | 2 |
United Nations | 4 |