有理数域 yǒu lǐ shù yù

DEFINITIONS

  1. field of rational numbers (math.), usually denoted by Q

CHARACTERS

有 yǒu
HSK 1
have, own, possess; exist
理 lǐ
HSK 3
reason, logic; manage
数 shù
HSK 3
number; several, count; fate
域 yù
HSK 5
district, region, boundary; land