Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
Afrikaans
Arabic
Basque
Catalan
Danish
Dutch
English
Estonian
Finnish
French
German
Greek
Hungarian
Icelandic
Italian
Japanese
Korean
Lithuanian
Norwegian Bokmål
Persian
Polish
Portuguese
Romanian
Russian
Serbian
Slovene
Spanish
Swedish
Turkish
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
均方误差
math.
mittleres Fehlerquadrat
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
