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分组标志
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  “分组标志”译为未确定词的双语例句
     Statistical Grouping Reference
     统计分组标志问题
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     This paper also analyzes the characteristics of stratified sampling, the number of strata, the test of the sampling plan, the relation between the characteristics of stratified sampling and the main indicators of sicence and technology.
     本文还就江苏省工业企业科技投入的分类标志的选择、分组数目的决定、抽样方案的检查,分组标志与主要科技指标的关系及根据科技投入的特点考虑抽样方案的地域均衡和行业均衡等方面,进行了详细分析.
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     , 40 mins.
     40;
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     Results The marker lever in lung cancer group was obviously higher than that in control group and there was significant difference.
     结果肺癌组标志物水平明显高于对照组,两者具有显著性差异。
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     The paper introduces a new historical relational databasemodel, and gives the form4 definition of the model based on INFand TNE moreover, the paper also gives the group identifier andgroup axioms, TNF and so on.
     提出了一种新的历史关系数据库模型,给出了该模型满足INF,TNF的形式化定义,还给出了组标志及其公理、TNF等重要概念。
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     A wider research on cancer prognostic markers is made on more studies, and on comparison of more gene lists.
     有临床意义的是,这组标志基因中的12个基因与血管增生调控(regulation of angiogenesis)有关,并且能够准确地预测成人T细胞白血病人的治疗后效果。
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The method of stratified sampling with 0-1 integer programming is presented in this paper. This method is successfully used in the survey of scientific and technological input of industrial enterprises in Jiangsu Province. Computations show that the sampling effect with this method is 1.5 times higher that with simple random sampling. This paper also analyzes the characteristics of stratified sampling, the number of strata, the test of the sampling plan, the relation between the characteristics of stratified...

The method of stratified sampling with 0-1 integer programming is presented in this paper. This method is successfully used in the survey of scientific and technological input of industrial enterprises in Jiangsu Province. Computations show that the sampling effect with this method is 1.5 times higher that with simple random sampling. This paper also analyzes the characteristics of stratified sampling, the number of strata, the test of the sampling plan, the relation between the characteristics of stratified sampling and the main indicators of sicence and technology. This method can be used in flood losses investigation and socioeconomic sampling surveys.

根据最优化分析原理,提出类型抽样方式结合0-1整数规划的抽样调查方案设计的方法,并将这一方法成功地应用于江苏省工业企业科技投入的抽样方案设计.计算结果表明,本法的抽样效果,比简单随机抽样提高1.5倍.本文还就江苏省工业企业科技投入的分类标志的选择、分组数目的决定、抽样方案的检查,分组标志与主要科技指标的关系及根据科技投入的特点考虑抽样方案的地域均衡和行业均衡等方面,进行了详细分析.本文提供的方法可为全国其它省市科技抽样调查,洪灾损失及其它社会经济现象的抽样调查方案设计提供参考.

Grouping is a basic method in statistics.The key to scientific and effective grouping lies in the correct selection of references,which are classified into two categories-quantitative and qualitative references.When the samples are grouped according to quantity refrences,the quantity limits should guarantee the quality differences among various groups.On the other hand,the various groups divided according to quality references must possess different quantity features.

统计分组是统计学中一种最基本的统计方法。正确选择分组标志 ,是进行合理、有效分组的关键。分组标志主要包括数量标志和品质标志。在按数量标志分组时 ,要注意数量界限必须能够反映各组现象的质量差别。在按品质标志分组时 ,要注意品质界限必须能够反映各组现象的数量差别

 
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