Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
English
⇄
Russian
G
o
o
g
l
e
|
Forvo
|
+
it has been necessary to amplify the wave theory of radiation by the quantum theory
stresses
math.
дополнить теорию
;
расширить теорию
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
