查询词典 cluster sampling

sampling survey：样本甸

sampling ratio 抽样比 | sampling survey 样本甸 | sampling unit 抽样单位

sampling survey method：抽样调查法

sampling survey 抽样调查 | sampling survey method 抽样调查法 | sampling survey techniques 抽样调查技术

sampling survey method：抽样调查法,采样观察法

"sampling servo ","拣选伺服" | "sampling survey method ","抽样调查法,采样观察法" | "sampling test ","样品试验,抽样试验"

sampling survey techniques：抽样调查技术

sampling survey method 抽样调查法 | sampling survey techniques 抽样调查技术 | sampling table 抽样表

sampling unit：取樣單位

sampling ratio 取樣率 | sampling unit 取樣單位 | sampling variation 取樣變異

sampling unit：采样单元

sampling turntable 取样转盘 | sampling unit 采样单元 | sampling valve 采样阀

sampling unit：抽样单元

抽样比|sampling fraction | 抽样单元|sampling unit | 抽样调查|sampling survey

Sampling, unit sequential：单件逐次抽样

Sampling, two stage 两段抽样 | Sampling, unit sequential 单件逐次抽样 | Sampling, unrestricated 无限(制)抽样

Stratified sampling：分层取样

概率取样可以分为三种形式:随机取样(random sampling)、分层取样(stratified sampling)和主观取样(judgement sampling). 随机取样n 是指从整个研究母体中抽取一群有意义数量的人做为研究对象,母体中所有成员被选中的机会均相等,

sequential sampling inspection plan：逐次抽样检验计画

逐次抽样 sequential sampling | 逐次抽样检验计画 sequential sampling inspection plan | 逐次抽样计画 sequential sampling plan

phenol red：酚红,苯酚磺酞

phenol reagent 酚试剂 | phenol red 酚红,苯酚磺酞 | phenol red test 酚红排泌试验

accessory equipment：附件

accessory equipment 辅助设备 | accessory equipment 附件 | accessory part 附件