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flight qualification
 flight qualification
avia. 飞行资格
| review
 review
econ. 复核; 检查; 综述
fin. 审査; 再检查
IMF. 审查; 检查
met. 述评

to phrases
flight qualification
avia. 飞行资格
space 飞行鉴定
flight qualification: 10 phrases in 2 subjects
Aviation6
Space4