Radar mapping was attempted on Matador, but suffered from the limitations of 1950s computers.

美国在“斗牛士”战机上尝试了雷达地图绘制，但却因为20实际50年代的计算机的功能不足而频繁出现问题。

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The most commonly used form of radar energy return mapping is the Base Reflectivity graph.

最常用的雷达能量回程测绘形式是基本反射率图。

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The team used a satellite photo of a suspected submerged city to find the site then surveyed it with a combination of deep-ground radar, digital mapping, and underwater technology.

研究小组首先利用可能是被掩埋城市的卫星影像来寻找遗址，然后综合利用探地雷达，数字地图和水下技术来进行进一步调查。

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Endeavour must also be stacked and ready for an Earth radar-mapping mission in September.

CNN: The space shuttle shell game

The flights will be conducted by a DC-8 outfitted as a special airborne laboratory with laser mapping instruments, ice-penetrating radar and gravity instruments.

CNN: NASA flights will study Antarctic ice changes