Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
G
o
o
g
l
e
|
Forvo
|
+
4FR
mil., air.def., USA
海军研究实验室 NRL
机载4频率雷达
UHF(428MHz)、L (1228MHz)、C (4455MHz)、X (8910MHz)
(NRL-4FR radar)
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Add
|
The server is undergoing maintenance and the site is working in read-only mode. Please check back later.">
Report an error
|
Get short URL
|
Language Selection Tips