a test procedure in which the identity of those receiving the intervention is concealed from both the administrators and the subjects until after the test is completed; designed to reduce or eliminate bias in the results
double blind的用法和样例:
例句
The study was made as a randomized double blind control trial. 试验按双盲双模拟随机对照平行法进行。
Double blind and open trial on treating depression with Moclobemicle and Amitriptyline. 国产吗氯贝胺与阿米替林治疗抑郁症双盲和开放试验。