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
Korean
Lithuanian
Persian
Polish
Portuguese
Russian
Serbian
Spanish
Swedish
Turkish
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
to phrases
二次形式
gen.
quadric
stat.
quadratic form
tech.
quadric form
二 次形式:
12 phrases
in 4 subjects
Business
1
General
1
Mathematics
1
Technology
9
Add
|
Report an error
|
Get short URL
|
Language Selection Tips