信噪比 : 139 phrases in 19 subjects |
Air defense | 18 |
Artificial intelligence | 3 |
Automobiles | 4 |
Aviation | 8 |
Communications | 1 |
Compressors | 1 |
Earth sciences | 1 |
Ecology | 1 |
Electronics | 49 |
Engineering geology | 1 |
Geophysics | 4 |
Information technology | 2 |
Multimedia | 2 |
Oil / petroleum | 2 |
Otorhinolaryngology | 1 |
Radio | 1 |
Space | 12 |
Technology | 16 |
Telecommunications | 12 |