sampling study的例句大全

objective the aim of this study was to compare the differences in sampling methods of ct perfusion for soft tissue neoplasms in the head and neck regions.

目的研究不同CT灌注采样方法对头颈部软组织肿块性病变评价的影响。

With a cross-sectional study design, 143 participants were recruited by purposive sampling.

采用横断式研究设计, 经立意取样,招募143位高雄县美浓镇越南籍妇女参与本研究.

In this study, the leaf demography was implemented with the method of randomized branch sampling.

本研究中, 我们采用随机枝取样法,研究了东灵山地区辽东栎的叶群体的数量动态.

Study is made of the microstructure of blue tungsten by patented powder sampling technology and TEM.

利用粉末制样专利技术以及扫描、透射电镜分析了蓝钨的微观结构.

This study is a significant reference to the composite random sampling of bulk materials in practice.

该项研究对于大宗货物的实际随机取样具有重要参考价值.

This study adopted two-stage random sampling method. The valid subjects were 300.

本研究采二阶段随机抽样方法, 有效样本共300位.

A Study on Spatial Distribution and Sampling Techniques of the Larvae of Cabbage Army Worm in the Sugarbeet Fields

甘蓝夜蛾幼虫在甜菜田的空间分布型及抽样技术

A Study on Quality Assurance of the Process of Air Sampling by Manual Operation

环境空气手工采样的质量保证

A study on the purposive sampling system based on volume arithmetic mean of typical subcompartment ( continued)

类型中心抽样调查体系的研究（续）

A Study on Test Sampling Method of Asphalt Concrete Pavement

沥青混凝土路面试验检测抽样方案的研究

This article use "the grouping classification took sampling principle" to study the solution on double counting problem of "the classical probabilistic model".

采用“分组分类取元法”研究了抽取类“古典概率模型”中的重复计算问题的解决办法。

A study on the effection of a rubber bladder of sampling bottle to the measurement of dissolved gas in ground water

取样瓶内球胆对水中溶解气测值影响的研究

Study and design of Er: YAG laser blood sampling device

Er：YAG激光采血装置的研制

Profile sampling method, macro-group classification method, and statistical method were used to study the community structure and dynamics of soil insects in ragweeds Ambrosia artemisiifolia and A.

采用分层取样法、大类群分类法和数理统计方法，研究了普通豚草Ambrosia artemisiifolia和三裂叶豚草A。

Objective To study the reference range of cerebrovascular hemodynamics indexes ( CVHI) in a sampling population.

目的对抽样人群脑血管血液动力学指标（CVHI）检测和分析，研究中国正常人CVHI的参考值范围。

Study of Adaptive Cluster Sampling Technique on Vegetation in Ulan Buh Desert

内蒙古乌兰布和沙漠植被适应性群团抽样技术的研究

Methods: The study adopted stratified sampling method. 521 students were subjected to questionnaire of MHQ, STAI, CED-S and EPQ.

方法：本研究采用分层整群抽样的调查法和心理测验法，对521名调查对象实施了月经健康问卷、状态特质焦虑问卷、流调中心用抑郁量表、艾森克个性问卷调查。

The Mossbauer spectroscopy study of an ancient bronze mirror without sampling

古镜不取样的穆斯堡尔谱分析

Study on Method of Filtering Investigation Targets in the Multi-Objective Sampling Survey

多目标抽样调查中筛选调查指标方法的研究

Study on Distribution Pattern and Sampling Technique of Eggs of Janus Piri

梨茎蜂卵空间分布型及抽样技术研究