stratified selection

stratified selection的基本解释

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分层抽样

与stratified selection相关的网络例句 [注：此内容来源于网络，仅供参考]

As a most commonly used method of urban vegetation investigation, stratified random selection investigation is the topic of this paper. Based on enormous publications and practical experiences, the authors proposed the systematic processes of investigation planning, with the details and points of attention for field work of urban vegetation survey introduced. The main body of urban vegetation investigation was divided into three parts, i.

本文以大量文献和作者在城市植物调查的实践经验为基础，总结了国内外城市植物研究中常用的分层随机抽样调查方法，并对植物分层随机抽样调查方案设计的步骤、方法及注意事项作了系统总结并提出相关建议，综述性归纳了一套城市植物分层随机抽样调查的方案设计方法。

The fault feature parameters are extracted,subjection functions and fuzzy rules for identifying pattern of fault and selecting phase of fault are developed from perspective of fuzzy pattern recognition,and new algorithm of speedy comprehensive faulty phase selection based on stratified fuzzy reasoning is presented.

提取了用于故障选相的特征参数，从模糊模式识别的角度，制定了识别故障类型和故障相别的隶属函数及模糊规则，提出了基于分层模糊推理的快速综合故障选相元件新算法。

The sampling population of this study is girls at five-year, two-year, four-year and two-year technology of a selected college of commerce in Taipei City in stratified random sampling selection with class as sampling unit. A total of 424 girls are included in the formal survey and 405 valid questionnaires collected.

本研究以国立台北市某技术学院在学日间部五专、二专、四技、二技等学制女学生为抽样母群，采分层随机丛集取样方式，以班级为取样单位，正式施测时共抽取424人，有效问卷405份。

与stratified selection相关的网络解释 [注：此内容来源于网络，仅供参考]

stratified selection：分层抽样

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

stratified mass selection：分层群选

stratified epithelium 复层上皮 | stratified mass selection 分层群选 | stratified sampling 分层抽样