Read Edit View history 切向量 qiēxiàngliàng tangent vector Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 切向量 qiēxiàngliàng tangent vector 曲线在某一点的切向量代表了该点处的瞬时方向。 Edit Delete References Add reference No references for this word.