Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
Russian
G
o
o
g
l
e
|
Forvo
|
+
一阶零点
yījiē língdiǎn
stresses
math.
простой ноль
;
ноль первого порядка
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
