单词盒子

coelostat

C 开头单词

基本解释

  • n.[天]定天镜( 观测或拍摄天体时镜面与地轴一同转动可使图像固定不动)

同根派生

     

英汉例句

  • As a coelostat, MA tracks the motion of celestial objects observed at their meridian passages.
    MA作为定天镜跟踪天体的运动，望远镜在天体中天前后进行观测。
  • The aperture of the coelostat mirror is 460 mm. The objective mirror, 330 mm in diameter, has primary focal length of 21 m and Cassegrain focal length of 40 m, corresponding solar image with diameter 200 mm and 373 mm respectively.
    塔高约21m,定天镜口径460mm,成象镜口径330mm,主焦距21m,卡式焦距40m,相应的太阳像直径分别为200mm和373mm。
  • laser coelostat
    激光定向仪