查询词典 stratified

Stratified sampling：分层抽样法

样本的选择 分层抽样法(stratified sampling)是将母体分成几个互斥的层(strata)或次群体,然后从各层中随机抽取样本的方法称为分层随机抽样法(stratified random sampling).

stratified simple random sampling：分层简单随机抽样

stratified sampling 分层抽样 | stratified simple random sampling 分层简单随机抽样 | stratum 层

stratified sample：分层采样样品,分层取样样品

"分层[现象]","stratification" | "分层采样样品,分层取样样品","stratified sample" | "分层采样,分层取样","stratified sampling"

stratified sampling method：分层抽样法

stratified sampling 分层抽样 | stratified sampling method 分层抽样法 | stratigraphic soil type 层状土壤型

stratified selection：分层抽样

stratified sampling 分层抽样 | stratified selection 分层抽样 | stratum 层

Stratified：成层的

stratification 层形成 | stratified 成层的 | stratified epithelium 复层上皮

Stratified：有层次的

层次化 stratification | 有层次的 stratified | 分层随机抽样法 stratified random sampling method

stratified flow：层状流用于多相流体

stratified flow 分层流用于单相流体. | stratified flow 层状流用于多相流体. | irrotational flow 无旋流

stratified subsampling method：分层二段抽样法

"分层随机抽样法","stratified random sampling method" | "分层二段抽样法","stratified subsampling method" | "阶层","stratum"

stratified subsampling method：分层分阶抽样法

11530,"stratified sampling","分层抽样" | 11531,"stratified subsampling method","分层分阶抽样法" | 11532,"stratum","[阶]层"

omphalos：圆锥形石

omphalos 浮饰 | omphalos 圆锥形石 | omphalosite 脐营养畸胎

Monica Bellucci：莫妮卡.贝鲁齐

NO.1 莫妮卡-贝鲁齐(Monica Bellucci)赵薇就是那种属于典型的易胖的女孩子,似乎还没有摆脱婴儿肥那个阶段. 据她本人透露,其已经疯狂减肥瘦了十几斤. 而她快速减肥的妙招很简单,就是运动--每天都快步走. 看似非常简单的瘦身方法往往也是最有效的减肥方法,