RAdio Detection And Rangingr>-i> .i>)
1.b> , , ; they located the ship by radar ; to fly low in order to avoid enemy radar ;
2.b> ;
3.b> .i> , / ; political radar ;
to be on the radar screenb> , ; the issue of terrorism is back on the radar screen / ; to be off the radar screenb> , ; to fall off / to drop off / the radarb> i> , ; I was so busy at work, organising a summer holiday just dropped off the radar , .