impersonal astrolabe[天] 超人差等高仪
Astrolabe Clock天文钟
photoelectric astrolabe[天] 光电等高仪;光电等高仪
Astrolabe Reef阿斯特罗莱布礁;阿斯特莱布礁;阿斯托拉贝礁
Astrolabe Booksellers星盘书店
impersomal astrolabe超人差等高仪
Danjon astrolabe唐奇等高仪
pendulum astrolabe摆式星盘;垂摆等高仪
N（名词） an instrument used by early astronomers to measure the altitude of stars and planets and also as a navigational aid. It consists of a graduated circular disc with a movable sighting device 星盘 → compare sextant