An optical telescope with a micrometer is used to precisely adjust the polar axis of an equatorial radio telescope and any precise dial and clock will not be needed.
使用一具附有测微器的光学望远镜配合赤道式射电望远镜进行极轴精密调整，不需用精确的度盘和记时设备。
How soon did I know you on earth, long or short? I feel a little bit trance, as it was 12 o 'clock of dial in the polar day, midday or midnight, it's hard to judge.
认识你到底有多长时间，漫长还是短暂？我感到恍惚，像是极昼之中看到表盘上的12点，无法判断是在正午还是子夜。
How soon did I know you on earth, long or short? I feel a little bit trance, as it was 12 o 'clock of dial in the polar day, midday or midnight, it's hard to judge.
认识你到底有多长时间，漫长还是短暂？我感到恍惚，像是极昼之中看到表盘上的12点，无法判断是在正午还是子夜。
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