保
角
对
应
b
á
o
b
ǎ
o
j
i
ǎ
o
j
i
ǎ
o
d
u
ì
d
u
ì
y
ì
n
g
y
ì
n
g
Definitions
1. (math.) distance-preserving correspondence
2. conformal map
Components
保角
bǎo jiǎo
–
(math.) angle-preserving
对应
duì yìng
–
to correspond