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| 1. | air route weather forecast |
| 航线天气预报 |
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| 2. | upper-air route |
| 高空航线 |
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| 3. | air route traffic contro |
| 飞行航线交通管制 |
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| 4. | trunk air route |
| 军用航空干线 |
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| 5. | air route;air line |
| 航线 |
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| 6. | air-route traffic control center |
| 航线交通管制中心 |
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| 7. | air route in use |
| 通航里程 |
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| 8. | direct air route |
| 直达航空线 |
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| 9. | civil air route |
| 民航航线 |
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| 10. | ARSR (Air Route Surveillance Radar) |
| 航线监视雷达 |
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