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| 随机脉冲; 杂乱脉冲 | |||
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random pulse : 17 phrases in 8 subjects |
| Air defense | 1 |
| Aviation | 1 |
| Earth sciences | 1 |
| Electronics | 4 |
| Geophysics | 2 |
| Oil / petroleum | 1 |
| Space | 3 |
| Technology | 4 |
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