收敛级数 shōu liǎn jí shù

DEFINITIONS

  1. convergent series (math.)

CHARACTERS

收 shōu
HSK 4
gather together, collect; harvest
敛 liǎn draw back, fold back; collect
级 jí
HSK 3
level, rank, class; grade
数 shù
HSK 3
number; several, count; fate