查询词典 sampling method

Objective: To explore a scientific, complicated sampling method and corresponding formulas for sensitive question survey.

目的：为敏感性问题提供科学的较复杂抽样调查方法及其统计量的计算公式。

The lot fraction defective is the key to establish the sampling method. But it is not studied before.

批不合格率p是制定抽样检验方案的重要依据，但目前缺少这方面的统计和研究。

By using stratified sampling method, a retrospective analysis was performed according to 1 146 cases.

采用分层抽样的方法，回顾性地分析1 146例患儿首选及联合使用抗生素情况。

Investigates the survey manner,sampling method and calculation of sample size.

就调查方式、抽样方法和样本容量的计算进行了探讨。

Finaly, the reliability of static ice force for different reccurrence periods is calculated by taking Schwarz formula as formula of calculating static ice force and results are simulated by Monte Carlo important sampling method.

最后，以Schwarz公式为静冰力计算公式，结合得到的冰厚和冰强度的概率分布，采用映射变换法进行不同重现期静冰力的可靠度分析计算，并用蒙特卡罗重点抽样法进行模拟。

Furthermore, the sequential sampling method for its density estimation was proposed.

提出了越冬成虫密度估计的序贯抽样方案。

The virus carrying rate of rats was periodically monitored by sequential sampling method.

因此，根据该法判定：有95%把握认为该地区的鼠类携带HV水平达到或超过30%。

If the monitoring line was above the up limitation, suggesting that the level of HV carried by about 95% rats reached or exceeded 30%. Conclusion The Sequential sampling method could make a relatively rapid and credible conclusion on the monitoring of pathogen carrier for its avoidance of blindness work and cost waste during the surveillance.

序贯抽样分析法用于鼠类携带病原体水平的监测可在一定程度上避免监测的盲目性，做到一旦获得结果即停止监测工作，避免了监测成本的浪费，可以用较为经济的监测样本量快速地得出可靠的结论。

The paper aims to find out the motivation of franchisees for choosing the convenient store franchise chain. Based on the review of relevant literature, the possible motivation has been educed, and theoretical support has been found. Also, a simple random sampling method to questionnaire survey has been adopted.

在文献探讨的基础上推导出加盟商可能的加盟动机，并从已有的连锁体系形成理论中寻找相应的理论支持，并针对广泛采用连锁加盟的新型零售业态，连锁特许加盟便利店进行实证研究。

Adopt simple random sampling method, divided 100 cases of pulmonary tuberculosis patient into the experiment group and control group, offer different healing solutions separately, observe the result of treatment of different healing effects.

采用单纯随机抽样的方法，把100例复治肺结核患者分为试验组和对照组，分别给予不同的治疗方案，观察不同治疗方案的治疗效果；结果石吊兰片治疗组的痰抗酸菌涂片转阴率、病灶吸收率与对照组比较，差异有显著性。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。