副法向量 Save Sign in to save words fùfǎxiàngliàng ㄈㄨˋ ㄈㄚˇ ㄒㄧㄤˋ ㄌㄧㄤˋ binormal vector (to a space curve) Character by character 副(fù)secondary 法(fǎ)France 向(xiàng)surname Xiang 量(liàng)capacity A Chinese word or character, or English Search Sources CC-CEDICT, CC BY-SA 4.0 pinyinjs, Apache-2.0