|
signal : 359 phrases in 18 subjects |
| Chemistry | 2 |
| Communications | 116 |
| Earth sciences | 4 |
| Economics | 6 |
| Electronics | 105 |
| General | 12 |
| Health care | 1 |
| Immigration and citizenship | 1 |
| Industry | 2 |
| Information technology | 55 |
| Labor law | 4 |
| Life sciences | 4 |
| Materials science | 1 |
| Medical | 1 |
| Mineral products | 1 |
| Natural sciences | 2 |
| Transport | 40 |
| United Nations | 2 |