| PCM | |
| pwr.lines. | pulse code modulation |
|
differentiell : 86 phrases in 11 subjects |
| Chemistry | 1 |
| Communications | 5 |
| Earth sciences | 7 |
| Electronics | 58 |
| General | 2 |
| Health care | 1 |
| Information technology | 5 |
| Natural sciences | 1 |
| Physical sciences | 2 |
| Power lines | 2 |
| Telegraphy | 2 |