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| 标识〔频标，标记，信号，传号，同步〕脉冲 | |||
| 信号脉冲; 指向脉冲; 指示脉冲; 传号脉冲; 标记脉冲 | |||
| 标志脉冲; 同步脉冲 | |||
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marker pulse : 6 phrases in 2 subjects |
| Air defense | 3 |
| Technology | 3 |
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