Both the audio clip and the tune "Song of Joy" were carried to space by the lunar probe satellite along with 30 other classical Chinese tunes.
这段语音和乐曲是在“嫦娥I号”飞天、绕月前特别搭载的，同时搭载的还有30首中华经典乐曲。
"Smile Beijing" was sent into space by China's first lunar probe satellite Chang 'e-i, which sent back a signal of the song on December 4, 2007.
月球探测卫星“嫦娥一号”曾搭载《微笑北京》，并于07年12月4日从太空传回这首歌曲。
A typical orbit of lunar probe includes earth parking orbit segment, earth-moon transfer orbit segment, lunar satellite orbit segment and moon-landing orbit segment.
典型的月球探测器飞行轨道包括地球停泊轨道段、地月转移轨道段、月球卫星轨道段和着月轨道段。
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