首先提出在直角坐标系下将天球球面均匀地分成486个分区的方法——“内接正方体法”，实现导航星的快速检索。
With 486 partitions, an equal partition method of celestial sphere without overlap is firstly presented to speed up guide star indexing.
坐在右边的是正方，四位辩手分别来自文科的中文系，经济系。
To my right are the proponents: four debaters, individually, are from the liberal arts departments, Chinese department and Economics department.
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