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| مُتحد المركز ؛ذي حلقات متداخلة | |||
| مُتَراكِز | |||
| English thesaurus | |||
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| c/c | |||
| cncn | |||
| cc | |||
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concentric : 18 phrases in 9 subjects |
| Antennas and waveguides | 4 |
| Biotechnology | 1 |
| Cables and cable production | 7 |
| Electric motors | 1 |
| Electric traction | 1 |
| Mathematics | 1 |
| Oil and gas technology | 1 |
| Radiobiology | 1 |
| Transformers | 1 |