• 1. a retrospective study: 回顾性研究
• 2. a retrospective study was made: 回顾性比较分析
• 3. a retrospective study of cases: 病案回顾研究

更多释义

• 1.This was a retrospective study of measles cases and deaths in Nepal.
  这是一项针对尼泊尔麻疹病例和死亡人数的回顾性研究。
  dict.yoduao.com
• 2.Study Design. A retrospective study on patients with chronic nonspecific low back pain (NSLBP).
  研究设计：对非特异性腰痛患者的回顾性研究。
  dict.yoduao.com
• 3.Study Design. A retrospective study of patients undergoing palliative surgery for metastatic spinal tumors.
  研究设计：回顾性研究接受姑息手术的转移性脊柱肿瘤的患者。
  dict.yoduao.com

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