blank control

基本解释

DESIGN: A randomly grouping, blank control trial.
设计：随机分组、空白对照实验。
Methods SD rats were randomly allocated to blank control, model and acupuncture groups.
方法SD大鼠被随机分为空白组、模型组与针刺组；
They were randomized into 5 groups named blank control positive control low dosage experiment group moderate dosage experiment group and high dosage experiment group 8 rats in each one.
随机分为5组，空白对照组、阳性对照组、低剂量实验组、中剂量实验组和高剂量实验组，每组8只。