查询词典 sampling interval

sampling ratio：取樣率

sampling plot 取樣小區 | sampling ratio 取樣率 | sampling unit 取樣單位

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,

antixerophthalmic factor：抗干眼因子

抗维生素 antivitamin | 抗干眼因子 antixerophthalmic factor | 抗干眼维生素 antixerophthalmic vitamin

January January：是一月, 一月January有新年

January, January是一月, 一月January有新年; | February, February是二月, 二月February有春节; | March , March是三月, 三月March 妇女节;