purposive sampling的用法和樣例：
例句
- Adopt purposive sampling method to investigate the waitresses working in entertainment settings in Nanchang and Pingxiang city.
采用立意抽樣方法對我省南昌和萍鄉兩地娛樂(lè )場(chǎng)所服務(wù)女性進(jìn)行問(wèn)卷調查。 - By purposive sampling, 30 people in 10 groups serving in general industries and non-profit organizations were interviewed.
樣本選取上使用立意抽樣，訪(fǎng)談十組總共三十個(gè)人，分別服務(wù)于一般企業(yè)與非營(yíng)利組織。
