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sampling weighting中文是什么意思

  • 抽样加权

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  • 例句与用法
  • The ultraviolet absorbance of the extraction liquid didn't relate to the sample weight or the extracted time
    化探样萃取液的紫外吸光度与萃取时间及称样量关系不大。
  • The sample weight, the microwave power, pressure and time used for digesting the sample were studied in detail and optimized
    在样品处理中也采用了常规溶样方法,并分别用两种样品处理方法测定石油焦中的硅。
  • The number of individuals in different demographic groups who would have provided usable information if response rates were equivalent . see sample weighting
    如果回复率相等,那么会提供有用信息的具有不同人口统计特征的个人
  • The process of assigning mathematical weights in an attempt to correct over or underrepresentation of some groups in the unweighted in-tab sample . see sample weighting
    分配数学权重的过程.旨在修正未加权样本对某些人群代表过度或代表不足的偏差
  • By using the order with multiples of sample weights, the result of decision-making not only shows the magnitude of attributes, but also shows the growth of attributes
    进一步,我们将它抽象成权重信息不完全的多属性决策问题,并提出了一种简便、实用的决策方法。
  • Determination of end carboxyl content in pet chip using photometric method was discussed, the optimiza tion of measuring condition and parameters such as sample weight, concentration of titrant, blank of solvent were stud ied
    论述采用光度法测定聚酯切片的端羧基,对称样量、滴定剂的浓度、溶剂的空白等测试条件和参数进行优化选择。
  • By defining new variables, we transformed the non-linear models into the linear model without changing the optimal solution . an indicator is also presented to assist decision-maker to articulate new preference that precise values of sample weights do not need to be provided by dm
    第六章针对这一问题,提出如果让时间样本权重成比例地增加,就能够使决策结果既能反映指标值的大小,又能反映指标值的增长。
  • It was proved that the method was easy-to-operate and samples produced were homogeneous in quartz content, controllable in sample weight and compliant in particle size distribution with that collected from workplaces . the samples can be used in round-robin tests on quartz determination between laboratories and in verification of different methods for quality control
    经测试表明:该方法操作简便,制备的呼吸性粉尘样品石英含量均匀,样品质量可控制,粉尘粒度分布和现场样品一致,适用于实验室间或不同方法之间的石英含量比较性研究和质量控制。
  • 推荐英语阅读
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Last modified time:Sun, 17 Aug 2025 00:29:56 GMT

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