The pilot in an airplane equipped with radar,flying at night,can see on the radar viewing screen distant buildings,or perhaps a dangerous mountain peak that is miles ahead.

• 装备有雷达的飞机，在夜间飞行时飞行员能够在雷达屏幕上看见远处的建筑物、或许还能看见前面几英里远的险峻山峰。