短語(yǔ)詞組短語(yǔ)convenience sampling method 利用便利抽樣方法;樣法accidental or convenience sampling 偶遇抽樣For Convenience Sampling 爲(wèi)方便取樣Through Convenience Sampling 通過(guò)簡(jiǎn)單抽樣sampling convenience 方便抽樣 返回 convenience sampling