單位切向量 dān wèi qiē xiàng liàng

DEFINITIONS

  1. unit tangent vector (math.)

CHARACTERS

單 dān single, individual, only; lone
位 wèi
HSK 3
throne; position, post; rank, status; seat
切 qiē
HSK 4
cut, mince, slice, carve
向 xiàng
HSK 3
toward, direction, trend
量 liàng
HSK 4
measure, quantity, capacity