radar

レーダー

電波を使って、遠くの物体の位置や速度を調べる方法。

やさしい英語で： A way of using radio waves to find the position and speed of distant objects.

• They tracked the ship using radar.
• Radar helps pilots detect nearby aircraft.
• The police used radar to measure the car's speed.

よく使う表現： using radar, radar detection, radar tracking, primary radar

レーダー装置、レーダー

電波で物体を探知し、その位置や動きを示す装置。

やさしい英語で： Equipment that uses radio waves to detect objects and show their position or movement.

• The ship's radar stopped working.
• They installed a new weather radar near the airport.
• The operator watched the radar screen for approaching aircraft.

類義語： radar system

よく使う表現： weather radar, ship's radar, radar system, new radar