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Terms for subject Mathematics containing 单级 | all forms | in specified order only
ChineseEnglish
一级单位first stage unit
二级单位,次级单位,第二阶段抽样单位second- stage unit
二级单位,次级单位,第二阶段抽样单位secondary unit
单级抽样,单阶段抽样unitary sampling
单级抽样,单阶段抽样unit stage sampling
单级抽样,单阶段抽样single sampling
原始单位,初级单位primary unit