场致发光 : 69 phrases in 15 subjects |
Air defense | 1 |
Automobiles | 4 |
Aviation | 3 |
Chemistry | 1 |
Earth sciences | 3 |
Electronics | 6 |
General | 8 |
Geology | 1 |
Information technology | 1 |
Metallurgy | 2 |
Physics | 1 |
Radio | 1 |
Space | 5 |
Technology | 27 |
Telecommunications | 5 |