Airborne technologies, such as different types of radar and photographic equipment carried by airplanes or spacecraft, allow archaeologists to learn about what lies beneath the ground without digging.

机载技术，例如飞机或宇宙飞船能携带的不同类型的雷达和照相设备，让考古学家无需挖掘就能了解地下的情况。

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A radar experiment aboard India's Chandrayaan-1 lunar spacecraft also found thick deposits of water-ice near the Moon's North Pole.

登上月球的印度月球初航ChandrayaanI航天器的雷达在靠近月球北极的地方发现厚冰层的存在。

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Lorenz and colleagues calculated the amount of liquid hydrocarbons on Titan using radar data gathered from the orbiting Cassini spacecraft.

Lorenz和同事利用轨道环绕飞船Cassini号上收集的雷达数据计算了泰坦上的液态烃的含量。

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Then radar on each spacecraft noted the other spacecraft.

VOA: special.2009.07.01

Radar spacecraft can see the planet's surface in all weathers, day and night.

BBC: Business questions

Today, thanks to radar and interplanetary spacecraft, the astronomical unit is known with a precision of one part in 50 billion.

ECONOMIST: Transits of Venus

When scientists used the spacecraft's antennae to analyse radar echoes from the lunar surface, they found that within certain deep canyons near the south pole the echoes increased and were altered in just the way they would be if dirty icerather than rock were filling the caverns.

ECONOMIST: Divining water