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单词 double-blind
释义

WordReference Random House Learner's Dictionary of American English © 2024
ˈdou•ble-ˈblind,  adj. 
  1. Laboratoryof or relating to an experiment in which neither the researchers nor the subjects know which subjects are receiving the real treatment, medication, etc.:A double-blind experiment was done to remove the possibility of bias.

WordReference Random House Unabridged Dictionary of American English © 2024
dou•ble-blind  (dub′əl blīnd′),USA pronunciation adj. 
  1. Medicine, Laboratoryof or pertaining to an experiment or clinical trial in which neither the subjects nor the researchers know which subjects are receiving the active medication, treatment, etc., and which are not: a technique for eliminating subjective bias from the test results.
  • 1935–40

Collins Concise English Dictionary © HarperCollins Publishers::
double-blind adj
  1. of or relating to an experiment to discover reactions to certain commodities, drugs, etc, in which neither the experimenters nor the subjects know the particulars of the test items during the experiments
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更新时间：2025/11/12 1:03:29