圓弧
拼音:yuán hú英文翻譯
【醫】 arc de cercle相關詞條:
1.arcdecircle 2.arcofacircle 3.arc 4.circlearc例句:
- 圓弧測定器一種用於測定圓弧的儀器An instrument that measures circular arcs.
- 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An early instrument for measuring altitude of celestial bodies, consisting of a90= graduated arc with a movable radius for measuring angles.