查询词典 stratified sample
- 与 stratified sample 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Methods A cluster stratified sample of315undergraduates were investigated with a closed questionnaire,and301questionnaires were available.
采用分层整群抽样法，抽取贵州省在校大学生315名进行无记名封闭式问卷调查，获得有效问卷301份。
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Therefore, in order to learn the basic situation of the "two-course" teaching, especially to learn the students" recognition and valuation of the "two-course, this paper surveyed 1200 students in different sex, grade and major, who were selected by stratified sample method in Wuhan University.
大学生认为有必要开设"两课"，而且"两课"教学内容与中学相关教育内容的衔接情况良好，对大学生思想政治观念的形成和今后的发展有一定的帮助；但他们对是否可以通过课堂形式进行思想政治教育的问题存在较大的分歧。
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Methods A stratified cluster sample of1007college students were questionnaired.
采用分层整群抽样的方法，对广州市1007名大学生进行问卷调查。
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Methods A cluster random stratified sample of404medical college students were investigat-ed with a self-administered questionnaire.
采用分层整群抽样方法对404名医学生进行自填问卷调查。
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To further reduce the time pressure for a larger training data set, the algorithm creates a smaller training data set via the primary model based on a stratified sample.
为进一步减小较大规模训练数据集的回归时间压力，算法对训练数据集的分层采样建立了初步模型，进而产生实际较小规模的训练数据集。
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The cross-sectional approach used a stratified sample, based on an initial list of electric power connections, resulting in the selection of 707 individuals over 18 years of age.
横截方法根据电力连接一张最初的名单使用了分层取样，造成707个个体的选择在18岁期间。
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Objective To study the interrelation of life habit,knowledge and consciousness in preventing infectious disease,and to provide evidence for health education of infectious diseases.Methods A stratified cluster sample of1007college students were questionnaired.
目的 了解学生日常生活习惯、传染病防治知识、防治意识的状况及其相互关系，开展大学生传染病防治健康教育提供依据方法采用分层整群抽样的方法，对广州市1007名大学生进行问卷调查。
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Methods A stratified random cluster sample of 17269 students in China were investigated with the children and adolescents' QOL scale according to the census data in 2000, and the urban and country norm of the scale were respectively established.
依据2005年第5次全国人口普查资料，在全国进行多阶段分层整群抽样，分别建立城市和农村2套常模。
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College students were selected as the sample from 182 universities in China according to the principle of stratified sampling.
根据常模组测量的结果，给出了85种生活事件和日常琐事的心理影响指数、心理影响范围和心理影响总量。
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All subjects in the sample of 600 individuals were selected by a stratified systematic random sampling method and interviewed by trained interviewers.
本研究采横断面研究方法，以苗栗县所有65岁以上老年人作为研究母群体，采分层随机抽样的方法，共得到600位样本，其中男性302人，女性298人。
- 相关中文对照歌词
- Amplified Sample
- Sample The Funk
- Does Anybody Know
- Sample And Hold
- It's Your Life
- You Gonna Luv Me
- Cant Get No Better
- Put It All To Music
- Unexplainable Hunger
- Faithful
- 推荐网络例句
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The receding calculations and experiment analyses in this subject are built on the blood cast of pig tongue.
本研究课题的前期工作是采用猪舌血管铸型模拟人舌而进行的数值计算与实验分析。
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"Each human infection constitutes an opportunity for genetic modification of the virus through reassortment, mutation, or both...."
&每一次人类的感染都暗藏着一次基因修改的机会，无论是通过病毒的整合、突变或者兼而有之。。。。&
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Beside the introduction, concerning the background and meaning of selected title, several studying prerequisites and assumptions, the contents and structure, the train of thought and method, domestic and international research overview and document reviewing, etc. this text divides three chapters altogether, its main content is as follows: the inevitability of developing commercial nonproprietary mutual funds, the superiority analysis of this fund, and what is and how to manage the latent difficulties operating this fund, etc.
除前言对选题背景与意义、研究的若干前提与假设、研究的思路与方法、国内外研究概况与文献回顾以及论文的基本结构等内容进行阐述外，本文共分三章，其主要研究涉及：商业银行发展自营投资基金的必然性，商业银行自营投资基金的优势及面临的问题的分析、对商业银行发展自营投资基金业务的建议，等等。