英语词汇primary 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

网络释义

1
[数]?初级抽样
... 初级变分 first variation 初级抽样 primary sampling 初级抽样单元 primary sampling unit ...

短语

1
primary sampling unit
初步抽样单位 ; 原始抽样单位 ; 一次取样部件
2
primary sampling system
一回路取样系统
3
primary sampling fraction
统计一级抽样比

双语例句

1
The present invention also discloses a AC-DC converter controllers, including the primary sampling circuits and digital compensator;
本发明还公开了一种AC-DC变换器的控制器，包括原边采样电路和数字补偿器；
2
The present balanced two-layer sample rotation system is applicable only to the monthly survey with two-stage sample designs and with small primary sampling units.
目前的平衡两层次样本轮换模式只适用于一级单元规模较小时的两阶段抽样月度调查。
3
We randomly selected 806 children under 6 years of age from 45 primary anganwadi (childcare) centres in Chandigarh, Punjab, India, that were chosen through multistage stratified random sampling.
在印度旁遮普省昌迪加尔的45所托儿所(anganwadi)中心采用多级分层随机取样法选择了806名6岁以下儿童。

单词	primary sample
释义	primary sample 简明释义主要样本：在研究或实验中，用于分析和评估的最重要的样本。网络释义 1 [数]?初级抽样 ... 初级变分 first variation 初级抽样 primary sampling 初级抽样单元 primary sampling unit ... 短语 1 primary sampling unit 初步抽样单位 ; 原始抽样单位 ; 一次取样部件 2 primary sampling system 一回路取样系统 3 primary sampling fraction 统计一级抽样比双语例句 1 The present invention also discloses a AC-DC converter controllers, including the primary sampling circuits and digital compensator; 本发明还公开了一种AC-DC变换器的控制器，包括原边采样电路和数字补偿器； 2 The present balanced two-layer sample rotation system is applicable only to the monthly survey with two-stage sample designs and with small primary sampling units. 目前的平衡两层次样本轮换模式只适用于一级单元规模较小时的两阶段抽样月度调查。 3 We randomly selected 806 children under 6 years of age from 45 primary anganwadi (childcare) centres in Chandigarh, Punjab, India, that were chosen through multistage stratified random sampling. 在印度旁遮普省昌迪加尔的45所托儿所(anganwadi)中心采用多级分层随机取样法选择了806名6岁以下儿童。
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