非随机化 meaning in English

derandomization

We included randomized controlled trials , quasi - randomized controlled trials ( that is , studies assigning patients to treatment arms by birthday or date of admission ) , nonrandomized cohort studies , and studies that used a historical cohort
我们采纳了随机化对照试验、半随机化对照试验(就是说研究中对治疗分配采取了病人生日或入院日期的区分方法) 、非随机化队列研究、和历史性队列研究。
Three evaluation methods for the nonrandomized precipitation enhancement operation effects have been developed based on the regional rainfall control and meteorologit cal covariable correlation : dopple ratio analysis evaluation method using regional rainfall ten - dency control for single cloud seeding operation case ; regression analysis evaluation effects on the bases of regional correlation and developing tendency of rainfall ; and multiple regression analysis with meteorological and physical covariables
本文根据区域趋势控制和气象-物理协变量相关设计了三套非随机化人工增雨作业效果评估方案：个例作业区域趋势对比双比分析评估方案、区域趋势相关回归分析评估方案和气象-物理协变量多元回归分析评估方案。