登录
|
Chinese
|
使用条款
词典
论坛
联络
英语
⇄
中文
+
G
o
o
g
l
e
|
Forvo
|
+
Neyman's Sampling Method
This HTML5 player is not supported by your browser
营销
内曼抽样法
Neyman’s sampling method
This HTML5 player is not supported by your browser
营销
牛曼分层抽样法
增加
|
报告错误
|
获取短网址
