单词coelostat
n.: 【天】定天镜
网络: 定天仪；定向仪；活镜式天体望远镜
【天文学】定天镜
复数：coelostats
Schorr had become interested in Schmidt"s horizontal mirror and coelostat telescope and ordered one to be built for his observatory. schorr
已成为有兴趣在施密特的横向一面镜子，coelostat望远镜，并下令一要兴建，他天文台。