Read Edit View history 切向量 qiēxiàngliàng tangent vector Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 切向量 · qiēxiàngliàng · tangent vector 2026/03/04 切向量 qiēxiàngliàng tangent vector tangent vector 曲线在某一点的切向量代表了该点处的瞬时方向。 created sense Mar 4, 2026, 02:25 AM