| 释义 |
coelostat/ˈsi:lə(ʊ)stæt/n. Astron. an instrument with a rotating mirror that continuously reflects the light from the same area of sky allowing the path of a celestial object to be monitored 【天】定天镜(观测或拍摄天体时镜面与地轴一同转动，从而使图像固定不动) [Latin caelum ‘sky’ + -STAT] |