反
向
兼
容
性
f
ǎ
n
x
i
à
n
g
j
i
ā
n
r
ó
n
g
x
ì
n
g
Definitions
1. backward compatibility
Components
反向
fǎn xiàng
–
opposite direction
兼容性
jiān róng xìng
–
compatibility