英语词汇cluster sample怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词

cluster sample

释义

cluster sample

简明释义

聚类抽样：通过在第一阶段选择聚类样本，然后从每个被抽样的聚类中选择一部分元素样本来获得的一种多阶段抽样方法。

网络释义

1
[统计]?整群样本
... 整群随机抽样 cluster random sampling 整群样本 cluster sample 整群样本均值 cluster sample mean ...
2
?群抽样
... Channel loyalty: 频道忠诚度 Circulation: 循环 Cluster sample: 群抽样 ...
3
?丛集样本
... cluster sample: 分群随机抽样 cluster sample: 丛集样本 cluster pattern sample: 丛集型样抽样 ...
4
?组样品
... 样品sub-sample 组样品cluster sample 未扰动样品undisturbed sample ...

短语

1
area cluster sample
区域聚类样本
2
multistage cluster sample
多段聚类样本 ; 多段聚样本
3
cluster sample mean
统计整群样本均值

双语例句

1
Methods A cluster sample of 8 054 students(aged 12-18 years) were chosen from 28 middle schools in Guangzhou.
方法采取整群抽样方法，对广州市28所中学12~18岁的中学生8 054名进行吸烟状况的问卷调查。
2
At first, the original samples were pretreated by using the membership class function that can improve the quality of cluster sample.
首先，利用“类属函数”对原始样本进行预处理，以提高聚类样本的质量；
3
The cluster sample method is most often used because, in the initial stages of emergencies, people are rarely living in a structured pattern.
分组抽样方法是最常用的，因为在紧急情况的初期，人们很少住在有组织的环境中。

随便看

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	cluster sample
释义	cluster sample 简明释义聚类抽样：通过在第一阶段选择聚类样本，然后从每个被抽样的聚类中选择一部分元素样本来获得的一种多阶段抽样方法。网络释义 1 [统计]?整群样本 ... 整群随机抽样 cluster random sampling 整群样本 cluster sample 整群样本均值 cluster sample mean ... 2 ?群抽样 ... Channel loyalty: 频道忠诚度 Circulation: 循环 Cluster sample: 群抽样 ... 3 ?丛集样本 ... cluster sample: 分群随机抽样 cluster sample: 丛集样本 cluster pattern sample: 丛集型样抽样 ... 4 ?组样品 ... 样品sub-sample 组样品cluster sample 未扰动样品undisturbed sample ... 短语 1 area cluster sample 区域聚类样本 2 multistage cluster sample 多段聚类样本 ; 多段聚样本 3 cluster sample mean 统计整群样本均值双语例句 1 Methods A cluster sample of 8 054 students(aged 12-18 years) were chosen from 28 middle schools in Guangzhou. 方法采取整群抽样方法，对广州市28所中学12~18岁的中学生8 054名进行吸烟状况的问卷调查。 2 At first, the original samples were pretreated by using the membership class function that can improve the quality of cluster sample. 首先，利用“类属函数”对原始样本进行预处理，以提高聚类样本的质量； 3 The cluster sample method is most often used because, in the initial stages of emergencies, people are rarely living in a structured pattern. 分组抽样方法是最常用的，因为在紧急情况的初期，人们很少住在有组织的环境中。
随便看	finitely additive set function finitely closed subcategory finitely cocomplete category finitely complete category finitely defined finitely generatable vector space finitely generated A-algebra finitely generated abelian group finitely generated algebra finitely generated extension finitely generated extension field finitely generated field finitely generated flat module finitely generated free module finitely generated free modules finitely generated free R-module finitely generated graded R-module finitely generated group finitely generated ideal finitely generated left ideal finitely generated module finitely generated object finitely generated projective modules finitely generated projective modulus finitely generated projective R-module