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señales : 2405 phrases in 57 subjects |
Agriculture | 1 |
Antennas and waveguides | 6 |
Automated equipment | 11 |
Automatic control | 11 |
Chemistry | 2 |
Commerce | 1 |
Communications | 742 |
Computer numerical control | 21 |
Construction | 1 |
Cultural studies | 1 |
Earth sciences | 17 |
Economy | 2 |
Electronics | 636 |
Environment | 6 |
Finances | 6 |
General | 48 |
Health care | 8 |
Hobbies and pastimes | 2 |
Immigration and citizenship | 1 |
Industry | 9 |
Information technology | 246 |
Insurance | 1 |
Labor law | 7 |
Law | 12 |
Life sciences | 6 |
Lighting other than cinema | 1 |
Magnetics | 8 |
Materials science | 5 |
Measuring instruments | 14 |
Mechanic engineering | 12 |
Medical | 17 |
Metallurgy | 2 |
Mexican | 1 |
Microsoft | 4 |
Municipal planning | 1 |
Natural sciences | 7 |
Packaging | 1 |
Patents | 10 |
Pharmacy and pharmacology | 1 |
Piezoelectric crystals | 4 |
Power lines | 33 |
Power system protection | 7 |
Radio | 60 |
Rail transport | 73 |
Scientific | 3 |
Semiconductors | 2 |
Social science | 1 |
Sound recording | 4 |
Statistics | 15 |
Technology | 9 |
Telecommunications | 38 |
Telegraphy | 47 |
Telephony | 2 |
Textile industry | 2 |
Transport | 210 |
Vacuum tubes | 2 |
Video recording | 5 |