Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
to phrases
频率界限
tech.
frequency limit
频率界限:
5 phrases
in 4 subjects
Air defense
1
Communications
1
Technology
2
Telecommunications
1
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
