飞行年限
Flight years
以上为机器翻译结果，长、整句建议使用 人工翻译 。
目的探讨跨时区长时间飞行中飞行疲劳与年龄因素的关系，为年大飞行人员延长飞行年限提供试验依据。
Objective to explore the relations between age and flight fatigue level during and after across time zone flight, so as to provide experimental evidence for elongation of airline aircrew.
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