基本解释双盲程序英汉例句双语例句Summary of Background Data. We performed a prospective, randomized double-blind study in patients undergoing multilevel cervical corpectomy procedures.背景资料摘要：我们对接受多节段颈椎次全切除的病人进行了一项前瞻性、随机化、双盲研究。double blind procedure更多例句