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| EM wave; electromagnetic wave | |||
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onde électromagnétique : 55 phrases in 8 subjects |
| Coal | 1 |
| Communications | 22 |
| Earth sciences | 3 |
| Electronics | 12 |
| Medical | 2 |
| Medical appliances | 1 |
| Natural sciences | 2 |
| Technology | 12 |
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