a great circle on the celestial sphere passing through the zenith and perpendicular to the horizon
vertical circle 片语
片语
vertical-circle lefvel tube垂直度盘水準管
vertical l circle地平经圈
vertical revolving circle立运仪
principal vertical circle观测者子午线
the prime vertical circle正在翻译
full vertical circle全圆刻度垂直度盘
photographic vertical circle[天]
vertical l circle level垂直度盘水準器
vertical circle 例句
英汉例句
anaerobic phosphate release rate and its affecting parameters were studied in an anaerobic-integrated oxidation ditch with vertical circle regime system(an-iodvc).