systematic random sampling

常见例句

The recommended sample size for a systematic random sampling is 500 children.
系統隨機抽樣的推薦樣本大小是500名兒童。
METHODS Adopting multistage systematic random sampling, a total of 250 residents aged 15-69 years from 250 families in 5 towns was randomly interviewed.
方法採用多堦段系統隨機抽樣方法，抽取蕭山區5個鎮250戶15～69嵗的常住居民進行入戶調查。
Methods A questionnaire survey was conducted by systematic random sampling from 732 residents of new community and 512 residents of old community with need of health education.
方法採用整群隨機抽樣方法，對新城區732名居民和舊城區5 12名居民採用自填式問卷的方法調查新舊城區居民的健康教育需求。