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信封随机
信封随机是在临床试验中,随机程序编好后,使用盲法信封进行方案隐藏,每个研究对象所接受的治疗方案完全由随机函数生成的随机编号所决定。
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marine fish resources
marine flooding surface
marine flow field model
marine food chain
marine food web
marine forecast
marine fouling organisms
marine free-air gravity anomaly
marine fresh water generator
marine fuel oil system
marine fuel saving
marine functional area monitoring
marine functional group
marine functional zoning
marine function zoning
marine fungi
marine gamma-ray survey
marine gas hydrate geochamical characters
marine gas hydrate geological characteristic
marine gas hydrate geophysical characters
marine gas hydrate resources investigation
marine gas hydrate test production
marine gelatinous zooplankton
marine geochemical exploration
marine geochemical exploration for oil and gas
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