Moreover, weight threshold is employed to increase the validity of pre-sampling.
同时利用权值阈值估计增加预采样的有效性。
If he's like me, quality of movie is not a pre-requisite for making it on to the shelf. A sampling of what you'll find on my DVD shelf.
如果他像我一样，是不会预先考虑电影的质量再把它们放在柜子上的。
During our pre-test, 15 graduate students and 15 members of the public were chosen through convenience sampling.
在我们的预试验，15个研究生和15名成员组成的市民选择通过方便取样。
Sampling pre-treatment system is an important factor in magneto-dynamic oxygen analyzer system for detecting the oxygen content in coke oven gas.
在监测焦炉煤气氧含量的磁力机械式氧分析仪系统中，采样预处理系统是一个重要环节。
Emphasis is made to the methods used in the improvement of sensitivity of Tl, including matrix modification, sampling modes and pre-conc e ntration techniques.
重点介绍了用原子吸收法测定铊时，基体改进剂、进样方式、反应机理以及预富集技术对提高方法灵敏度的作用。
Methods Stratified random cluster sampling was applied to conduct the investigation using pre-designed and tested questionnaire.
方法采用分层随机整群抽样方法，对疟史进行问卷调查。
A visual attention mechanism model for discrete nonlinear sampling is studied to analyze its detection probability during pre-detecting small targets.
针对一种使用了离散非线性采样的视觉注意机制模型，对其应用在小目标预检测上的检测概率进行了研究和分析。
Problems such as the high temperature, high dust content and corrosion during the gas analysing, and their solutions are listed to show the importance of gas sampling and pre-treating.
阐述烟气分析过程高温、高粉尘及腐蚀性的困难及解决方法，从而突出采样和预处理的重要意义。
Problems such as the high temperature, high dust content and corrosion during the gas analysing, and their solutions are listed to show the importance of gas sampling and pre-treating.
阐述烟气分析过程高温、高粉尘及腐蚀性的困难及解决方法，从而突出采样和预处理的重要意义。
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