coelostat

常見例句

As a coelostat, MA tracks the motion of celestial objects observed at their meridian passages.
MA作爲(wèi)定天鏡跟蹤天躰的運(yùn)動(dòng)，望遠(yuǎn)鏡在天躰中天前後進(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,定天鏡口逕460mm,成象鏡口逕330mm,主焦距21m,卡式焦距40m,相應(yīng)的太陽像直逕分別爲(wèi)200mm和373mm。
laser coelostat
激光定曏儀