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| signal to noise ratio | |||
| relacion senal: 91 phrases in 13 subjects |
| Communications | 12 |
| Computer numerical control | 1 |
| Electronics | 51 |
| General | 1 |
| Magnetics | 3 |
| Measuring instruments | 1 |
| Medical | 4 |
| Natural sciences | 2 |
| Radio | 10 |
| Sound recording | 3 |
| Technology | 1 |
| Telephony | 1 |
| Transport | 1 |