汉英词典
Chinese-English Dictionary
MEANING OF 抛物线
抛物线 (拋物線)
parabola
〈名〉平面上到定点O和定直线l距离相等的动点P的轨迹。定点O叫做抛物线的焦点。将一物体向上斜抛出去所经的路线就是抛物线。
() pāo 线 () xiàn
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