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| 参考脉冲 | |||
| 基准〔标志，参考〕脉冲 | |||
| 参考基准脉冲 | |||
| 基准脉冲; 标志脉冲 | |||
| reference pulse: 12 phrases in 7 subjects |
| Air defense | 3 |
| Automobiles | 1 |
| Electronics | 2 |
| General | 1 |
| Geophysics | 1 |
| Space | 2 |
| Technology | 2 |
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