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LOW RANGE RADIO ALTIMETER, a system that measures the vertical distance from the airplane to the terrain.
低空无线电高度表,一种测量飞机至地形的垂直距离的系统。
youdao
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LOW RANGE RADIO ALTIMETER, a system that measures the vertical distance from the airplane to the terrain.
低空无线电高度表,一种测量飞机至地形的垂直距离的系统。
youdao