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Use of the moon as a reflector of radio waves (chiefly in the UHF band) which are aimed at it from one ground station and detected by another.
1960s; earliest use found in The Aeroplane.
雅致网英汉双解词典包含236457条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。