步伐员先提问：“地球到月亮的距离有多远？”
The programmer asks the first question. "What's the distance from the earth to the moon?"
白天，测量从太阳到月亮的距离，并加上到上升的距离。但是，在晚上，弧度必须从上升减去。
By day, measure from the Sun to the Moon and add that distance to the ascendant, but by night the arc must he subtracted from the ascendant.
这方面最接近标准的是XUpdate(所谓接近，是月亮比木星到布鲁克林的距离近这个意义上而言的)。
The closest thing to a standard in this space (close only in the sense that the moon is closer to Brooklyn than Jupiter is) is XUpdate.
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