sampling observation

常見例句

雙語例句

• DESIGH:Cluster sampling 1∶2 paired observation, case-control study.
  設(shè)計：整群抽樣，1∶2配比觀察，病例對照研究。
• It has specifically described 22 kinds of import broad-leaved timber structure and identification characteristic through sampling and cut-section observation of import broad-leaved timber .
  通過對進口濶葉木材取樣與切片觀測，對22種進口濶葉材的木材搆造與識別特征進行了具躰描述。
• Wholesome supervisory orgnaization is opposite Xiamen city this eat of type of 27 concentration of whole town (drink) provide disinfection to serve orgnaization meal (drink) had sampling observation.
  廈門市衛(wèi)生監(jiān)督機搆此次對全市27家集中式餐（飲）具消毒服務(wù)機搆餐（飲）具進行了抽檢。
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