multistage sampling的意思

多級采樣; 多級抽樣; 多級抽樣法; 多級取樣

[統計]多級抽樣

quota sampling───配額取樣；[經]定額抽樣

multi-tasking───n.多重任務處理；多重任務執行

multiprogramming───n.（計）多道程序設計

multitasking───n.多重任務處理；多重任務執行

multithreading───n.多線程；多線索

quota samplings───配額取樣；[經]定額抽樣

block sampling───塊狀樣本；區域選樣

consumer sampling───消費者抽樣

multi-skilling───n.員工多技能化

Multistage sampling in forest inventory is not restricted to fixed - area sampling units.───森林資源清查中,多階抽樣并不局限于固定面積的抽樣單元.

Methods A total of 550 students in 4 junior schools were sampled with multistage sampling and surveyed.───方法通過多級隨機抽樣抽取濟南市4所初中550名初一學生，采用問卷調查。

The coefficient optimization for the multistage sampling rate conversion is also presented.───還給出了多級實現的系數優化算法。

Methods a questionnaire was conducted among target population by multistage sampling.───方法采取多階段抽樣，對目標人群進行詢問式問卷調查。