查询词典 cluster sampling

cluster wheat,club wheat：密穗小麦

"集体取样","cluster sampling" | "密穗小麦","cluster wheat,club wheat" | "离合器","clutch"

cluster point：聚点

clothoid 回旋曲线 | cluster point 聚点 | cluster sampling 分组抽样

cluster point of a sequence (net)：一(串网)序列的聚点;系列的聚点

"聚集;群落{统};聚落;部落","cluster" | "一(串网)序列的聚点;系列的聚点","cluster point of a sequence (net)" | "群落抽样[统]","cluster sampling"

three-stage cluster sampling：三段丛聚抽样

三标准差规则 three-sigma rule | 三段丛聚抽样 three-stage cluster sampling | 三段最小平方 three-stage least squares

one stage cluster sampling：一阶段整群抽样

odds ratio, OR 优势比 | one stage cluster sampling 一阶段整群抽样 | one-tailed probability 单侧概率 one-way ANOVA 单因素方差分析

cluster set：聚值集

cluster sampling 分组抽样 | cluster set 聚值集 | coadjoint functor 余伴随函子

cluster set：聚点集

1662,"cluster sampling","群落抽样;群体抽样" | 1663,"cluster set","聚点集" | 1664,"coaxial circles","共轴圆"

clustered access：群集存取

cluster sampling 分组取样 | clustered access 群集存取 | clustering 群集

Simple random sampling：简单随机取样

依抽样的方法可分: 简单随机取样(Simple random sampling)、分层随机取样(Stratified random sampling)、集群取样(Cluster sampling)等三种. 通常样本的大小决定族群目标的代表性,取样方式的正确,使样本的代表性尽量提升远比样本的大小还要重要.

Stratified random sampling：分层随机抽样

为顾及样本的代表性和每区学生在母群体中所占的比例,本研究以台湾地区国民小学学生为调查的母群体,运用分层随机抽样(stratified random sampling)和丛集抽样(cluster sampling)合并使用,也就是多阶段的抽样法(multistage sampling).

Supposed to Be：应该吧

我想我该睡了 i think i should slp | 应该吧 supposed to be | 希望 hope so

Plain Weave：平布

509 hopsack 方平织物 | 510 plain weave 平布 | 511 panama 巴拿马薄呢