短語(yǔ)詞組短語(yǔ)blinded d study 參加者不知情的研究double -blinded clinical study 采用雙盲法的人體臨床試驗(yàn)randomized double -blinded contr olled study 隨機(jī)雙盲對(duì)照研究 返回 blinded study