当然,由于本研究调查的样本比较小,抽样范围只限于广西三所高校,研究结果还尚属探索性,还不具备推广性。
Certainly, because of the small sampling of this research limited in three universities in Guangxi, the research results are still explorative but not qualified to be popularized.
他们按社会经济地位为抽样中的男性赋予不同的分值,分值范围从0到96,时间接近1950年(尽可能的接近1910年)。
They then assigned the men in the sample a socioeconomic status score between zero and 96, on a scale drawn up in 1950 (which was as close to 1910 as they could get).
该报告基于在全国范围内对12571名男性和女性开展的一项抽样调查。
The report was based on a nationally representative sample of 12, 571 men and women.
该报告基于在全国范围内对12571名男性和女性开展的一项抽样调查。
The report was based on a nationally representative sample of 12,571 men and women.
医学科学并不是建立在“常识”基础之上的,而是建立在特殊的科学研究之上:为尽可能排除一切混杂变量而在控制范围内随意抽样化验。
Medical science is not foundedon "common sense, " but on uncommon investigation: on randomized, controlled studies that try to rule out as many confoundingvariables as possible.
在5个城市作整群分层随机抽样调查确定与事故倾性有关指标的正常值范围。
The normal value range of indicators about accident proneness were detected according to epidemiological survey results using stratified random cluster sampling in 5 cities.
方法使用分层抽样的方法在全国范围内抽取250家医疗机构开展大规模调查。
Methods A large-scale survey was conducted at 250 medical health units based on stratified sampling.
为了减小定位误差和提高算法的适应性,利用三维空间抽样和范围约束的方法,并结合对成功样本点的加权筛选,获得节点的三维估计坐标以实现抽样定位。
Combined with weighted filtration to successful sample points, it uses the method of sampling in three-dimensional space and range constraint to acquire three-dimensional coordinates of nodes.
理论分析表明,按照抽样对象的不同,存在三种适用范围不同的算法:传递函数抽样法、点扩展函数抽样法和加权函数抽样法。
There exist three sampling methods according to the sampling objects: the transfer function sampling, the point-spread function sampling and the weighting function sampling.
作者介绍了利用抽样检验标定一批电阻丝片的灵敏系数的平均值及其误差范围的几种统计方法。
Several sampling methods leading to the estimation of mean value and the setting of tolerance interval of the sensitivity coefficients of a lot of strain gages are introduced.
方法:采用统计调查研究方法,对全国范围内的在职医院护士(师)进行典型性抽样问卷调查。
METHODS: Statistical method like questionnaires was used to investigate the clinical nurses (or chief nurses) nationwide at random.
在山东省范围内抽样,采用量的分析和质的分析相结合的方法对不太恰当的题目进行适当删减。
Samples have been collected in Shandong Province and some items have been deleted by quantitative and qualitative approaches.
在山东省范围内抽样,采用量的分析和质的分析相结合的方法对不太恰当的题目进行适当删减。
Samples have been collected in Shandong Province and some items have been deleted by quantitative and qualitative approaches.
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