Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
German
⇄
English
French
Russian
G
o
o
g
l
e
|
Forvo
|
+
Bezugsrichtung
f
opt.
reference direction
(e.g. in space)
phys.
reference direction
радиоакт.
reference direction
(of an X-ray tube)
Add
|
Report an error
|
Get short URL
|
Language Selection Tips