数据法 meaning in English
statistics
Examples
- In this paper , the correlation dimension is taken as the chaos identification evidence and the method is used to see whether the given fault gear signal has chaos characteristics
应用替代数据法，以关联维数作为混沌判据，对故障齿轮信号进行了混沌特性判别。 - The surrogate - data technique , an effective method to clearly identify the chaos in time series , can reconstruct the characteristics of the original data while free of the limitations of the positive identification of chaos
摘要替代数据法是准确判定时间序列是否具有混沌特征的一种有效方法，该方法不仅能很好地重构原始时间序列的特性，而且能避免直接识别混沌方法的局限性。 - After analyzing and contrasting the advantages and disadvantages of the traditional classification , and subject with the network classification and subject , the author asserts that using corresponding network information classification , establishing vocabulary list about controlling , utilizing classified subject union to organize network information resource can improve the searching rate of present engine , extremely using dc metadata to edit the network information resource , establishing topic network also is an effective method of organizing network information resource , meanwhile , introducing in detail the resource of marc and dc
笔者在分析对比了传统分类法和主题法与网络分类法和主题法在组织网络信息资源的优缺点后,提出采用统一的网络信息分类法、建立后控词表、运用分类主题一体化组织法等方法来组织网络信息资源可以极大改善现有搜索引擎的检索效率;运用元数据法对网络信息资源进行编目,创建主题网关也是组织网络信息资源的一种有效方法,并对marc格式的元数据和dc格式的元数据加以详细的介绍。 - This thesis is intended to study and analyze the advantages and disadvantages of the recent chemical vapor dispersion simulation method , which includes experience formula , dispersion models and numerical simulation . the conclusion is that it is more suitable to adopt the dispersion models in the accident emergency response
本文研究和分析了现有的化学品蒸气扩散模拟方法(包括经验公式数据法、扩散模式法和数值计算方法)的优缺点，认为在事故应急领域中应用扩散模式法较为适宜。 - The " net cash flow from operating activities / net profit " , a cash flow indicator that is emphasized both at home and abroad , was first time to be treated as one of the variables for corporate performance . the listed companies of manufacturing industry were grouped according to their asset scale and industry property . the empirical study of equity structure and corporate performance were carried out through combining the empirical analysis and theoretical analysis and by using stochastic variable intercept paral data mode and sas software package
本文以制造业303家上市公司为总样本，确定了6个股权结构变量、 7个经营绩效变量，并在经营绩效变量中，首次引入了国内外尤为关注的现金流量指标? ?盈余现金保障倍数；将制造业各次类上市公司，按资产规模和行业性质进行划分，采用实证分析与规范分析相结合的方式，运用计量经济学建模方法? ?随机影响变截距平行数据法，应用sas统计软件，对我国上市公司的股权结构与经营绩效进行实证研究。