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| pulses per second; pulse per second | |||
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脉冲每秒 : 18 phrases in 8 subjects |
| Air defense | 2 |
| Automobiles | 1 |
| Aviation | 3 |
| Earth sciences | 2 |
| Electronics | 6 |
| Geophysics | 2 |
| Information technology | 1 |
| Telecommunications | 1 |
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