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| Subject | Chinese | English |
| avia. | 主备降机场 | master diversion airfield |
| avia. | 备降机场 | alternate aerodrome |
| avia. | 备降机场 | auxiliary field |
| tech. | 备降机场 | diversionary aerodrome |
| tech. | 备降机场 | supplementary aerodrome |
| tech. | 备降机场 | divert aerodrome |
| avia. | 备降机场 | alternate field |
| avia. | 备降机场 | diversion airfield |
| avia. | 备降机场 | alternate |
| avia. | 申报备降机场 | declared alternate |
| UN, tech. | 直升机降落场标记设备发烟榴弹、发光棒和发光片等 | helicopter landing site marking equipment smoke grenades, luminous sticks/sheets, etc. |