Thee reason for my missing the orientation session is that I have had a problem arranging a flight from Shanghai to London.

我不能参加开学指导的原因是我一直没有安排好从上海飞往伦敦的航班问题。

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The orientation, width and flight altitudes shall be clearly defined in the establishment of air corridors with due consideration to the easy access for inbound and outbound aircraft.

空中走廊的划设应当明确走向、宽度和飞行高度，并兼顾航空器进离场的便利。

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Objective to establish a method for detecting cognitive characteristics of flight orientation in pilots, so as to provide basis for improving their spatial orientation function.

目的寻求飞行定向认知特征的检测方法，预测飞行员的空间认知水平。

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