有
理
数
域
y
ó
u
y
ǒ
u
l
ǐ
l
ǐ
s
h
ù
s
h
ù
y
ù
y
ù
Definitions
1. field of rational numbers (math.), usually denoted by Q
Components
有理数
yǒu lǐ shù
–
rational number (i.e. fraction of two integers, math)
域
yù
–
field