Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
Chinese
⇄
English
G
o
o
g
l
e
|
Forvo
|
+
研究试制方案
consult.
R&D program
tech.
research and development program
;
research and development programme
Add
|
Report an error
|
Get short URL
|
Language Selection Tips
