Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Polish
⇄
Afrikaans
Arabic
Catalan
Chinese
Danish
Dutch
English
Estonian
Finnish
French
German
Greek
Hungarian
Italian
Korean
Lithuanian
Norwegian Bokmål
Persian
Portuguese
Romanian
Russian
Spanish
Swedish
Turkish
Ukrainian
G
o
o
g
l
e
|
Forvo
|
+
periodogram Schustera
math.
舒斯特周期图
;
周期图
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
