By the early hours of the following morning, on Feb 25, military radar detected an unidentified flying object 120 miles offshore approaching the coastline.

在2月25日清晨的早些时候，军用雷达探测到了距海岸线120英里的一架不明飞行物正在接近海岸线。

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A spaceship's position can be located by following its radio signal, or by using telescopes and radar.

宇宙飞船的位置可以根据追踪它的无线电信号来确定，也可以用望远镜和雷达来确定。

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The radar contains 4 quadrants, one for each of the following categories: Techniques, Tools, Platforms and Languages.

雷达包含了4个象限，每个象限对应如下一种类别：技术、工具、平台及语言。

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Its terrain-following radar can be linked to the aircraft's autopilot - so the plane itself can follow the contours of the landscape at a height of just 100 ft (30 m).

BBC: News | In Depth | Military Fact Files

The aircraft has terrain-following radar and GPS satellite navigation.

BBC: Profile: B-1 bomber

For a professional investor's perspective, consider the following "radar" graph, courtesy of The Venture Alliance, which coaches fledgling companies on attracting funding and also provides the candidates for these quizzes.

FORBES: Results: Venture Capital Quiz #5