The satellite USES radar to measure its altitude above the ice sheet.

卫星用雷达测定卫星从冰层顶部算起的高度。

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Further advised that the object found resembles a high altitude weather balloon with a radar reflector.

这个物体像是一个带有雷达反射器的高空气象气球。

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We go through pre-mission planning, and if we're trying to evade something, you can put up receivers, and you understand at what altitude that radar is going to be effective.

通过任务前的规划，我们可以知道要躲开些什么东西，设置什么接收器，在什么样的高度雷达会起作用。

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Miami's terminal radar approach control center, or Tracon, guides airplanes from high altitude into airport approach paths and then hands them over to airport control towers.

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The U.S. military has positioned its Terminal High Altitude Area Defense (THAAD) missile defense system and its X-band radar system in the event a missile were to be launched toward Hawaii.

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Such high-altitude conquest, India thinks, required help from the Pakistan army, in the form of radar, mortars and snowmobiles, among other things.

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