随机性 : 154 phrases in 27 subjects |
Agriculture | 3 |
Air defense | 2 |
Animal husbandry | 1 |
Artificial intelligence | 1 |
Automobiles | 3 |
Aviation | 2 |
Bridge construction | 2 |
Business | 16 |
Cryptography | 14 |
Desert science | 2 |
Earth sciences | 5 |
Ecology | 5 |
Economy | 1 |
Electronics | 8 |
General | 1 |
Genetics | 5 |
Hydroelectric power stations | 3 |
Information technology | 5 |
Mathematics | 7 |
Multimedia | 1 |
Oil / petroleum | 3 |
Securities | 2 |
Space | 11 |
Statistics | 3 |
Technology | 45 |
Telecommunications | 1 |
Wind Energy | 2 |