Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
Russian
G
o
o
g
l
e
|
Forvo
|
+
to phrases
二次曲面
èrcì qūmiàn
stresses
el.
поверхность второго порядка
math.
кривая поверхность второго порядка
tech.
квадрика
;
коникоид
二 次曲面:
31 phrases
in 3 subjects
General
14
Mathematics
9
Technology
8
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