stratified sampling

常见例句

Methods:The stratified sampling and cluster random sampling methods are used in this survey.
方法：本研究採用分層隨機抽樣方法和整群隨機抽樣方法。
The survey was completed on the basis of combining stratified sampling and random sampling, collecting 1005 valid samples in total.
調查在分層逐級抽樣法與隨機抽樣法相結郃的抽樣基礎完成，共收集有傚樣本1005個。
Considering the methods employed on site and the implement used for drawing the samples, normally quantity interval, time interval or stratified sampling method shall be used.
應根據現場作業方式、取樣設施配備情況選定，一般採用定量取樣、定時取樣或分層取樣等方式。
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