coelostat
基本解釋
- n.[天]定天鏡( 觀測(cè)或拍攝天體時(shí)鏡面與地軸一同轉(zhuǎn)動(dòng)可使圖像固定不動(dòng))
英漢例句
- As a coelostat, MA tracks the motion of celestial objects observed at their meridian passages.
MA作為定天鏡跟蹤天體的運(yùn)動(dòng),望遠(yuǎn)鏡在天體中天前后進(jìn)行觀測(cè)。 - 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.
塔高約21m,定天鏡口徑460mm,成象鏡口徑330mm,主焦距21m,卡式焦距40m,相應(yīng)的太陽(yáng)像直徑分別為200mm和373mm。 - laser coelostat
激光定向儀