旋轉指標 xuán zhuǎn zhǐ biāo

DEFINITIONS

  1. winding number

CHARACTERS

旋 xuán
HSK 6
revolve, move in orbit; return
轉 zhuǎn shift, move, turn
指 zhǐ
HSK 4
finger, toe; point, indicate
標 biāo a mark, symbol, label, sign; standard