测座北京古观象台或许是世界上历史最悠久的气象观测站，比格林威治天文台还要早二百年。
It has perhaps the longest recorded history of uninterrupted service of astronomy. It is 200 years older than Greenwich Observatory.
测座北京古观象台或许是世界上历史最悠久的气象观测站，比格林威治天文台还要早二百年。
It has perhaps the longest recorded history of uninterrupted service of astronomy. It is 200 years older than Greenwich Observatory.
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