... 杂光系数测定仪 measuring instrument of stray light 分辨率仪 resolving power meter 快门速度测定仪 measuring instrument of shutter speed ...
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Until the 10-meter Keck 1 was built in 1993, the Hale telescope had the best resolving power in the world.
在1993年10米的凯克望远镜建成之前，海耳望远镜一直是世界上分辨能力最强的望远镜。
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