Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
Arabic
English
French
Greek
Italian
Japanese
Norwegian Bokmål
Polish
Russian
Spanish
Swedish
Terms
for subject
Mathematics
containing
针
|
all forms
Chinese
English
蒲芬投
针
问题
Buffon's needle problem
逆时
针
的
anticlockwise
针
式控制台打字机
pin console typewriter
顺时
针
clock wise
Get short URL
