sampling investigation
短語詞組
- sampling g investigation 抽樣調查
- double sampling serum investigation 雙份血清調查
- systematic sampling investigation 整群抽樣調查
- population sampling investigation 人口抽樣調查
- random sampling investigation 隨機抽樣調查
- statistical sampling investigation method 統(tǒng)計抽樣調查法
- national sampling investigation 全國抽樣調查
- method of sampling investigation 抽樣調查法
- sampling investigation of labor force 勞動力抽樣調查 返回 sampling investigation