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| English thesaurus | |||
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| AM/PM (semfromshire) | |||
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Amplitude Modulation : 73 phrases in 10 subjects |
| Chemistry | 1 | Information technology | 2 | Telecommunications | 3 |
| Communications | 31 | Piezoelectric crystals | 3 | Telegraphy | 2 |
| Earth sciences | 1 | Radio | 2 | ||
| Electronics | 27 | Technology | 1 |