celestial altitude 中文意思是什麼
celestial altitude
解釋
天體高度-
An early instrument for measuring altitude of celestial bodies, consisting of a90 = graduated arc with a movable radius for measuring angles
象限儀用來測量天體緯度的一種早期工具,由一個有90度刻度的圓弧和一個用來測量角度的可移動的半徑構成 -
The altitude ratio of a celestial body in its diurnal apparent motion
天體周日視運動過程中天體高度的變化率 -
This instrument was mainly used to measure the altitude of a celestial object above the horizon
又叫地平緯儀,主要用於測定天體距離地平面的角度。
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