正文：郑州机场低能见度特征分析及观测要点 关键词】郑州机场；低能见度；变化规律；飞行影响 [gap=661]Key words: Zhengzhou Airport; low visibility; change law;influences on flight
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The complicated flow on flight deck influences flight safety seriously when helicopters land and take-off from non-aviation ship.
直升机在非航空型舰船飞行甲板起降时，甲板区域复杂的气流流动严重影响飞行安全。
Secondly, the paper analyzes the influences of statistical error, capital flight and hot money inflow on net errors and omissions and finds out their interrelations.
其次对统计误差、资本外逃、热钱内流对净误差与遗漏的影响进行了分析，找出了它们之间的联系。
The influences of nonuniform vertical flow on helicopter trim controls and regressive lag modal damping levels were analyzed in hovering and forward flight.
分析了直升机从悬停到小速度前飞时，定常垂直气流的非均匀分布对直升机平衡操纵以及对系统摆振后退型模态阻尼的影响。
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