一一映射 yī yī yìng shè

one-to-one correspondence

Word data

HSK Not in HSK
Frequency Unknown

Definitions

  1. 1. one-to-one correspondence
  2. 2. bijective map (i.e. map between sets in math. that is one-to-one and onto)

Characters

Character Meaning
one; 1; single
one; 1; single
to reflect (light); to shine
to shoot; to launch; to allude to