sampling weighting造句
例句與造句
- the ultraviolet absorbance of the extraction liquid didn't relate to the sample weight or the extracted time
化探樣萃取液的紫外吸光度與萃取時間及稱樣量關系不大。 - the sample weight, the microwave power, pressure and time used for digesting the sample were studied in detail and optimized
在樣品處理中也采用了常規(guī)溶樣方法，并分別用兩種樣品處理方法測定石油焦中的硅。 - the number of individuals in different demographic groups who would have provided usable information if response rates were equivalent . see sample weighting
如果回復率相等,那么會提供有用信息的具有不同人口統(tǒng)計特征的個人 - 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
分配數(shù)學權重的過程.旨在修正未加權樣本對某些人群代表過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
進一步，我們將它抽象成權重信息不完全的多屬性決策問題，并提出了一種簡便、實用的決策方法。 - It's difficult to find sampling weighting in a sentence. 用sampling weighting造句挺難的
- 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
論述采用光度法測定聚酯切片的端羧基，對稱樣量、滴定劑的濃度、溶劑的空白等測試條件和參數(shù)進行優(yōu)化選擇。 - 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
第六章針對這一問題，提出如果讓時間樣本權重成比例地增加，就能夠使決策結果既能反映指標值的大小，又能反映指標值的增長。 - 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
經(jīng)測試表明：該方法操作簡便，制備的呼吸性粉塵樣品石英含量均勻，樣品質量可控制，粉塵粒度分布和現(xiàn)場樣品一致，適用于實驗室間或不同方法之間的石英含量比較性研究和質量控制。