但是由于反应堆的放射性物质泄漏，飞机必须保持在非常高的位置。

But they had to fly high because of radioactive leaks from the reactors.

youdao

船舶操纵性是指船舶按照驾驶者的意图能保持或改变其航速、航向和位置的性能。

Ship maneuverability is the ship in accordance with the driver's intentions to maintain or change its speed, course and location of the performance.

youdao