Read Edit View history 副法向量 fùfǎxiàngliàng binormal vector Origin Definitions Defs Strokes Stroke Words Sentences Sents created sense approved 副法向量 · fùfǎxiàngliàng · binormal vector 2026/03/04 副法向量 fùfǎxiàngliàng binormal vector binormal vector (to a space curve) 我们需要计算该曲线在这一点处的副法向量。 created sense Mar 4, 2026, 02:25 AM