Sign in
|
English
|
Terms of Use
Dictionary
Forum
Contacts
G
o
o
g
l
e
|
Forvo
|
+
amostragem unitária
math.
单级抽样，单阶段抽样
;
单式抽样，单一抽样
stat.
单式抽样
;
单一抽样
;
单级抽样
;
单阶段抽样
Add
|
Report an error
|
Get short URL
|
Language Selection Tips