Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Chinese
Danish
Dutch
Finnish
French
German
Greek
Portuguese
Russian
Spanish
Swedish
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
to phrases
supervisory audio tone
el.
监控音频单音
IT
监测音频单音
telecom.
监测音
;
蜂窝通信监测音
5970Hz 或 6030Hz 带外单音
supervisory audio tone:
1 phrase
in 1 subject
Communications
1
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