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设计：完全随机数字表法，随机对照动物实验。
DESIGN: Completely randomized digital table and randomized controlled animal study.
youdao
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设计：完全随机、双肓法分组研究。
DESIGN: a complete randomized double blinded grouping study was conducted.
youdao
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设计：完全随机、双肓法分组研究。
DESIGN: a complete randomized double blinded grouping study was conducted.
youdao