二重下標 èr chóng xià biāo

DEFINITIONS

  1. double subscript
  2. doubly indexed

CHARACTERS

二 èr
HSK 1
two; twice
重 chóng
HSK 3
heavy, weighty; double
下 xià
HSK 1
under, underneath, below; down; inferior; bring down
標 biāo a mark, symbol, label, sign; standard