查询词典 proportional

According to the survey for the whole country to the provinces, autonomous regions and municipalities for the whole meeting, to take layered, multi-stage cluster probability sampling method proportional.

据介绍，这次调查以全国为总体，以各省、自治区、直辖市为次总体，采取分层、多阶段、整群概率比例的抽样方法。

That is sampling 15 percent of total amount, grouping according the code, simple proportional sampling and clustering sampling with group. A core collection bank of ...

按照最佳建库方案构建起了一个以资源总数3170份的15%，即477份核心样品资源可代表总体资源98%以上的遗传多样性的核心种质库。

The subjects are 609 students sampled from a junior high school at Taipei County by stratified proportional random sampling method.

本研究以台北县某国中学生为母群体，采分层比例随机抽样方法，抽出样本609人。

Methods Probability proportional to size sampling method was used to select 6006 residents aged 45 years and elder from Shilin county. Information was obtained from a questionnaire survey and fasting blood sugar test. The data was analyzed with binary logistic regression.

在昆明市石林县采用按比例概率抽样方法，对6 006名45岁～农村居民进行问卷调查和空腹血糖检测，并应用二分类Logistic模型分析影响糖尿病患病的因素。

The purpose of this study is to investigate the relationship among Perfectionism, Self-esteem and Depressive tendency of Adolescents. Questionnaire survey were utilized as the method of this study. Subjects consisted of 686 junior high school students and 612 senior high school students in Kaohsiung City, and they were selected by stratified proportional cluster sampling.

本研究旨在了解青少年完美主义、自尊与其忧郁倾向之相关研究，采问卷调查法，使用分层比例丛集取样的方式，以高雄市国中生686人和高中生612人为样本进行调查。

Methods Stratified random proportional sampling method was used to interview undergraduate students. Version 3.0 of the Composite International Diagnostic Interview of World Health Organization (WHOCIDI3.0) was applied for investigation.

应用分层按比例随机抽样的方法，采用世界卫生组织复合性国际诊断交谈表3.0(WHOCIDI3.0)对在校本科生进行访谈。

Methods. A total of 1461 (669 females and 792 males; age range, 16 to 69 yr) workers were selected through a representative population survey (7,597,386 Taiwanese workers) in 1999 from the Taiwan Bureau of Labor Insurance by proportional probability sampling.

研究样本系以等机率抽样方式自1999年台湾地区劳保资料库（抽样母群体包括7，597，386位台湾劳工）抽出，总计有1461笔样本（669位女性与792位男性），年龄介於16至69岁。

The study inchcates that the best error pulse width and the competition pulse width are proportional to the sampling period to us and the modulation degree of SPWM; the number of competition pulse are dependent on the slop of us.

均与模数转换的采样周期和调制深度成正比，与载波比成反比；竞争脉冲的个数由us的斜率决定。

With introducing the Proportional to Population Size Sampling technique into resample for the problem of specimen reconstruction effectiveness and rationality, a neural network ensemble method based on the PPS technique was proposed, which could improve the accuracy of individual network and the differences among individual networks; and a new dynamic selection approach of individual network in a neural network ensemble was put forward.

针对样本重组的有效性和合理性问题，将PPS抽样技术引入样本重构，提出了基于PPS抽样的集成神经网络算法，以提高个体神经网络的准确性与差异度，并实现动态选择个体神经网络的神经网络集成新方法。

Methods: According to the principle of stratified proportional sampling, a total of 1605 adult subjects from 17 cities and their surrounding rural areas of China was measured by CWVDT.

自编中文字词识别测验，经条目筛选后采用分层比例抽样方法，在全国五个行政区17个大中城市及周边农村抽取样本1605例。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。