查询词典 sampling methods
- 与 sampling methods 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 With stratified clustered sampling method, 375 college students were chosen to complete the questionnaire.
采用分层随机抽样方法，在杭州市的大学中抽取大学生375名进行问卷调查。
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Methods Study subjects were selected through stratified sampling and data were collected through questionnaire and physical examination.
方法］采用分层整群抽样的方法获取研究样本，采用问卷调查和体检相结合的方法收集相关信息。
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Methods Based on stratified sampling, 363 medical facilities were selected to conduct the survey.
采取分层抽样方法在全国范围内抽取363家医疗机构开展调查。
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Methods (1) Randomized stratified clustered sampling method was used.
(1)采用分层整群随机抽样法，收集徐州市
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Methods A self-developed questionnaire was used to investigate 2600 old persons selected in 26 provinces by stratified sampling.
方法在26省按照城乡和男女分层抽样，对2600名老年人进行问卷调查，并对有效的2414份问卷进行数据统计学处理。
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Methods The Knowledge of occupational hazard and prevention in different enterprises was investigated by stratified random sampling.
方法采用整群抽样的方法对不同行业的外资企业农民工进行职业病危害因素认知及其防护知识的问卷调查和统计分析。
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In order to reduce the systematic error introduced by non-integer-period sampling, the spectrum correction methods were studied.
针对非整周期采样误差影响频率计算的精度的问题，研究了频谱校正方法。
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15 hospitals and 2 937 residents were selected and studied through random and systematic sampling methods in Hainan Province.
采用分层抽样和随机抽样方法对15家医疗机构和2 937名疟区居民进行流行病学调查。
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With the methods of systematic and random sampling, the 39 grasshopper species and more than 3000 specimens had been collected in 5 kinds of habitats, belonging to 5 families, 26 genera.
采用系统取样和随机取样相结合的方法调查了5种生境中蝗虫的种类和数量，共采集到蝗虫39种，标本3000余号，隶属于5科26属。
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Methods 3944 persons were selected by systematic sampling in 3 districts.
采取分层随机整群抽样的方法，于2006年10月和2007年9月进行2次调查，以示范路上沧浪区、金阊区、高新区的33个单位、10个社区居民，共计3 944人作为调查对象。2007年9月，以非示范路上某区采取同样方法抽取居民809人进行问卷调查。
- 相关中文对照歌词
- Dolla Bill
- Live & Direct
- White Teeth Teens
- Forgive Nothing
- Liberation
- I've Been Thinking
- I See Belief
- Rusted Machines
- Live Fast, Die Young
- Fight For Ourselves
- 推荐网络例句
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If I didn't care what anyone thought, I would.....
如果我不介意别人怎么看，我会。。。。
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In recent decades, Chile has mandated earthquake-proofing for new structures, requiring that materials like rubber and features like counterweights be built into the architectural designs to allow buildings to bend and sway during temblors rather than break.
在最近数十年里，智利已经为兴建防震的新土建结构而对建筑材料提出要求，需要的材料类似于橡胶，而特性就象运用在建筑设计中的平衡物体，一旦应用以后，当地震发生时建筑就能弯曲摇摆。
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The condemnation of Monophysitism alienated the churches of Egypt, Syria, Mesopotamia, and Armenia, creating dissention in the Eastern Roman Empire and lessening its ability to withstand the Islamic invasion in the 7th century.
谴责monophysitism疏远了教会的埃及，叙利亚，美索不达米亚，亚美尼亚，造成离心的，在东罗马帝国，并减少它有能力抵御伊斯兰入侵，在公元7世纪。