防
空
预
警
系
统
f
á
n
g
k
ō
n
g
y
ù
j
ǐ
n
g
x
ì
t
ǒ
n
g
Definitions
1. air defense early warning system
Components
防空
fáng kōng
–
anti-aircraft defense
预警系统
yù jǐng xì tǒng
–
early warning system