Read Edit View history 弧长 húcháng arc length Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 弧长/弧長 · húcháng · arc length 2026/03/04 弧长 / 弧長 húcháng arc length arc length (the length of a curve segment) 我们可以通过公式计算出这段圆弧的弧长。 created sense Mar 4, 2026, 02:25 AM