When used by pilots in describing off-airway routes, points defining direct route segments become compulsory reporting points unless the aircraft is under radar control.

在被飞行员用于描述偏置航路时，除了在雷达控制的情况下，确定直线航段的导航点成为必报点。

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However, the pilots control the aircraft is a long period of static manual, so the flight endurance is not only reflected in cardiopulmonary endurance, but also in static muscular endurance.

但是，飞行员操纵飞机是一种长时间的静力性体力劳动，因此飞行耐力不仅体现在心肺耐力方面，同时也体现在静力性肌肉耐力方面。

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However, the pilots control the aircraft is a long period of static manual, so the flight endurance is not only reflected in cardiopulmonary endurance, but also in static muscular endurance.

但是，飞行员操纵飞机是一种长时间的静力性体力劳动，因此飞行耐力不仅体现在心肺耐力方面，同时也体现在静力性肌肉耐力方面。

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