item sampling

用法例句

Little has been said about purpose sampling which is used much more in practice.

对使用较多的有目的抽样则阐述较少。

On the Current Situation of the theChinese ArtStudy of National Minority in the End of the TwentiethCentury and the Early Yearsof the Twenty-firstCentury;

世纪之交中国少数民族艺术研究现状——基于中国期刊全文数据库的主题抽样定量分析

Study on Education Research Sampling--Purpose Sampling;

教育研究的抽样问题——有目的抽样

Don't speak in such abstract terms.

不要这样抽象地谈问题。

Sampling Frame for the Survey of Enterprises under Quota Limits;

限额以下贸易业抽样调查中的抽样框问题

Sample Complementing--Analysis to the Problems in Sampling Technology;

样本追加——一个抽样技术难题的探析

Sample Survey Design on Dichotomous Sensitive Questions Investigation;

二项选择敏感性问题的抽样调查设计

The Study on Handling Sampling Weights Associated with the Survey Data When Applying Data Mining Methods--Based on the Method of Re-sampling with PPWWR

数据挖掘方法应用于调查数据的抽样权重问题——基于放回比例抽样的再抽样方法

Q: Would different sample size for different questions affect the sampling error?

问：个别题目的样本数目会否影响抽样误差？

How to Share Samples among Statistics Departments of Government at all Levels

各级政府统计机构共用抽样样本问题研究

sequential sampling method

逐次抽样法逐次抽样法

specific assignment sampling

特定抽样 特定抽样

Research and Application of Block-Based Topic Information Extraction

基于分块的主题信息抽取研究与应用

A Discussion on the Application of Sample Survey in Social Research

抽样调查在社会研究中应用的若干问题探讨

Average Sample Number for Sampling Inspection by Attributes in Acceptance Check

关于计数验收抽样检查中的平均检验件数问题

The Research on Sampling Survey Question in Work of Quality and Technical Supervision in China;

我国质量技术监督工作中抽样调查问题研究

A Study on the Estimation Problem of Response Variable under Non-ignorable Selection Mechanism;

在不可忽略抽样机制下目标变量的估计问题

Discussion about the Problems Existing in The Record and Voucher of Drug Sampling of Huaian City in 2006;

对“药品抽样记录及凭证”中存在问题的探讨

Some Hotspot Issues on the Application and Theory of Survey Sampling;

抽样调查应用与理论中的若干前沿问题