|
Signal : 331 phrases in 21 subjects |
| Automatic control | 4 |
| Communications | 87 |
| Earth sciences | 2 |
| Economics | 1 |
| Electronics | 108 |
| Environment | 3 |
| Finances | 1 |
| Health care | 2 |
| Industry | 1 |
| Information technology | 57 |
| Life sciences | 3 |
| Lighting other than cinema | 2 |
| Mechanic engineering | 3 |
| Medical | 5 |
| Patents | 22 |
| Power lines | 12 |
| Radio | 6 |
| Scientific | 2 |
| Technology | 1 |
| Telephony | 1 |
| Transport | 8 |