这就要求专业飞行员无论驾驶什么类型的飞机都必须能够展示出熟练的仪表飞行水平。

This is required of the professional pilot who must be able to demonstrate proficiency in instrument flying regardless of the type of aircraft they fly.

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从飞行员到秘书，每个行业都有自己的专用词汇和专业术语。

Every field from airline pilots to secretaries has its own vocabulary and technical terms.

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档案研究证实，欧洲人不仅依赖于搬运工、士兵、翻译员、厨师、飞行员、导游、猎人和收藏家的工作，他们还依赖于当地的专业知识。

Archival research confirms that Europeans were not merely dependent on the work of porters, soldiers, translators, cooks, pilots, guides, hunters and collectors, they also relied on local expertise.

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