查询词典 stratified sampling

stratified flow：层流

stratified finger 层状指进 | stratified flow 层流 | stratified heterogeneous reservoir 层状非均质油藏

stratified cuboidal：多层立方的

\\"复层柱状\\",\\"stratified columnar\\" | \\"多层立方的\\",\\"stratified cuboidal\\" | \\"多层扁平的\\",\\"stratified squamous\\"

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).

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,

Simple locatedom sampling：简单随机抽样法

随机抽样 : Rborderom sampling | 简单随机抽样法 : Simple locatedom sampling | 分层抽样法 : Stratified sampling

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 selection：分层抽样

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

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 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"

Whipping cream：忌廉,鲜奶油

9. 香草香精---- Vanilla extract | 10. 忌廉,鲜奶油---- Whipping cream | 11. 琅姆酒----Rum

ophidiophobia... fear of snakes：害怕蛇

Anthrophobia: Fear of people 害怕人 | Ophidiophobia: Fear of snakes 害怕蛇 | Graphophobia: Fear of writing in public 害怕在公众地方写字