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flight information | |
avia. | 飞行情报 |
requirement | |
fin. | 资金需求 |
hydroel.st. | 需要 |
interntl.trade. | 必需品 |
manag. | 必要的条件 |
met. | 规格; 技术条件 |
sport. | 必要条件 |
sport. med. | 需要量 |
requirements | |
interntl.trade. | 所需经费 |
flight information: 61 phrases in 8 subjects |
Air defense | 3 |
Aviation | 39 |
China | 1 |
Electronics | 4 |
General | 8 |
Space | 3 |
Technology | 1 |
United States | 2 |