Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
background level
This HTML5 player is not supported by your browser
life.sc., environ., chem.
foninė teršalų koncentracija
obs., stat., environ.
foninis kiekis
stat., environ.
foninė oro teršalų koncentracija
background level
Term used in a variety of situations, always as the constant or natural amount of a given substance, radiation, noise, etc.
This HTML5 player is not supported by your browser
environ.
foninis lygis
Add
|
Report an error
|
Get short URL