Signal : 563 phrases in 36 subjects |
Antennas and waveguides | 3 |
Automated equipment | 4 |
Automatic control | 5 |
Coal | 1 |
Communications | 147 |
Computer numerical control | 1 |
Earth sciences | 3 |
Economics | 1 |
Electronics | 116 |
Finances | 2 |
General | 10 |
Health care | 1 |
Industry | 1 |
Information technology | 84 |
Law | 8 |
Life sciences | 2 |
Lighting other than cinema | 1 |
Magnetics | 1 |
Mechanic engineering | 4 |
Medical | 17 |
Microsoft | 1 |
Natural sciences | 4 |
Patents | 21 |
Pharmacy and pharmacology | 1 |
Power lines | 11 |
Radio | 22 |
Rail transport | 22 |
Scientific | 1 |
Sound recording | 1 |
Technology | 1 |
Telecommunications | 1 |
Telegraphy | 14 |
Telephony | 1 |
Textile industry | 2 |
Transport | 46 |
Vacuum tubes | 2 |