below the radar altitude scale is the digital radar altimeter which displays the altitude withe an r after the readout this will not be displayed if the radar altitude is adove 5000 feet or the aircraft is rolled into more than 45 degrees of bank as the radar loses the earths surface to reflect the radio waves back to the aircraft
在雷达高度标尺下面是数字雷达高度表，它在读数后显示带r的高度，如果雷达高度高于5000英尺或飞机翻滚到超过45度的倾斜，则不会显示，因为雷达失去了地球表面以将无线电波反射回飞机
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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