Fixed radar transponders were heavily used in navigation along coastlines.

沿海岸线的导航也广泛地利用定频雷达应答器。

youdao

Inverse Synthetic Aperture Radars (ISAR) is mainly to describe fixed radar imaging moving targets such as airplane and ship.

逆合成孔径雷达(ISAR)重点论述用固定雷达对活动目标成像，例如对飞机成像或对船成像等。

youdao

The U.S. crew fixed its radar on the Turkish ship.

美国船员将雷达对准了那艘土耳其船。

《柯林斯英汉双解大词典》

Carter slotted the difficult conversion - radar ominously fixed - and New Zealand led 20-12 with 26 minutes remaining.

BBC: Wales 25-37 New Zealand

The report said the Airprox board had been of the opinion that the object was unlikely to have been a fixed wing aircraft, helicopter or hot air balloon, given that it had not shown up on radar.

BBC: Airliner 'had narrow miss with UFO'