短語詞組短語Stratified Systematic Unaligned Sampling 分層系統(tǒng)非均衡采樣Systematic Random Sampling 系統(tǒng)隨機(jī)抽樣;系統(tǒng)抽樣;抽樣法;等距抽樣systematic pps sampling design pps 系統(tǒng)抽樣設(shè)計(jì)systematic pps sampling pps 系統(tǒng)抽樣systematic c sampling 系統(tǒng)抽樣systematic descriptive sampling 系統(tǒng)描述性抽樣cluster systematic random sampling method 束系統(tǒng)隨機(jī)抽樣方法systematic sampling scheme [數(shù)]系統(tǒng)抽樣方案systematic sampling method 系統(tǒng)采樣法 返回 systematic sampling