单词	double-blind
释义	double-blind adjective dou·​ble-blind ˌdə-bəl-ˈblīnd  : of, relating to, or being an experimental procedure in which neither the subjects nor the experimenters know which subjects are in the test and control groups during the actual course of the experiments compare open-label, single-blind Word History First Known Use 1950, in the meaning defined above Medical Definition double-blind adjective dou·​ble-blind ˌdəb-əl-ˈblīnd  : of, relating to, or being an experimental procedure in which neither the subjects nor the experimenters know which subjects are in the test and control groups during the actual course of the experiments compare open-label, single-blind
随便看	mesh knot Meshech meshed meshedes mesheds meshes meshier meshiest meshing meshings meshrabiyeh meshrabiyehs meshuga meshugaas meshugaasen meshugah meshuge meshugga meshuggaas meshuggaasen meshuggah meshugge meshuggener meshuggeners meshulach

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