单位切向量

Traditional (Taiwan): 單位切向量

dānwèiqiēxiàngliàng ㄉㄢ ㄨㄟˋ ㄑㄧㄝ ㄒㄧㄤˋ ㄌㄧㄤˋ

    • unit tangent vector

      math.

Character by character

Sources