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| 频率编码 | |||
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frequency-shift-keyed : 5 do fraz, 3 tematyki |
| Elektronika | 3 |
| Technika i technologia | 1 |
| Technologia informacyjna | 1 |
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| 频率编码 | |||
|
frequency-shift-keyed : 5 do fraz, 3 tematyki |
| Elektronika | 3 |
| Technika i technologia | 1 |
| Technologia informacyjna | 1 |