Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
Arabic
Czech
English
French
German
Greek
Hungarian
Italian
Japanese
Norwegian Bokmål
Polish
Portuguese
Russian
Spanish
Swedish
Terms
for subject
Mathematics
containing
费用
|
all forms
|
in specified order only
Chinese
English
费用
函数,成本函数
cost function
Get short URL