sampling study

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.

METHOD Random sampling study and collect data by questionnaire survey and examination.

方法采取整群随机抽样,信函问卷、实地测试等调查.

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.

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 on the reliability evaluation method and compliance test sampling plan of low-voltage circuit breaker

低压断路器可靠性评估方法与验证试验方案的研究

Random Sampling Study on Bone Mineral Density of General Population in Part of China

中国四地区一般人群骨密度抽样研究

From April, 1987 to January, 1988, planktonic diatoms were collected at five sampling stations in Jin Yang Lake for six times. By taxonomic study, 106 species, varieties and forms of 20 genera were noted.

1987年4月到1988年1月，在湖中5个采样断面作了6次浮游硅藻的采集，研究结果，计有20个属和106个种、变种和变型。

Study and Application of Underwater Dredging Sampling Testing Apparatus

水下清淤取样检测器具的研究与应用

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.

Study of Sampling Methods in Monte Carlo Simulation

关于蒙特卡罗模拟抽样方法的研究

Study on a New Sampling Method for Steady Temperature and Constant Flow Air

一种新型恒温恒流大气采样方法的研究

Sampling study of population Citellus dauricus with four slopes

四种坡度的黄鼠密度抽样研究