sample unit
短语词组
- disposition of sample units 樣品処理
- symmetry sample units 對稱樣本單位
- send sample units 送樣單位;發送樣品單元
- Selection of Sample Units 樣本抽出方式
- variance within primary sample units 初級抽樣單位內的方差
- variance between primary sample units 初級抽樣單位間的方差
- number of units in sample [統計]樣本單位數 返回 sample unit