beacon: 74 phrases in 13 subjects |
Agriculture | 1 |
Communications | 44 |
Earth sciences | 1 |
Electronics | 3 |
General | 3 |
Life sciences | 5 |
Lighting other than cinema | 1 |
Materials science | 1 |
Mechanic engineering | 1 |
Microsoft | 1 |
Radio | 1 |
Statistics | 1 |
Transport | 11 |