electromagnetic propagation
| time log
| electromagnetic propagation | |
| mil., air.def. | 电磁传播 |
| time log | |
| dril. | 时间记录 |
| |||
| 电磁传播 | |||
| 电磁波传播 | |||
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electromagnetic propagation : 27 phrases in 6 subjects |
| Drilling | 1 |
| Earth sciences | 1 |
| Electronics | 1 |
| Geophysics | 15 |
| Oil / petroleum | 6 |
| Technology | 3 |