纸上标着页码、箭头还有注解和手绘的天体图。

Pages of Numbers, of arrows and notes and hand-drawn star maps.

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古地图社会正在蓬勃发展，天体图，现在作为一个专业的地图收集效果。

Antiquarian map societies are prospering, and celestial maps are now viewed as a specialty of map collecting.

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当中国的天文学家、地理学家张衡想画一副天体图时，他并不满足于仅仅画一张简单的纸质地图。

When Zhang Heng, the Chinese astronomer and geographer, wanted to draw a map of the heavens, he was not satisfied with a simple paper map.

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