人群样本大小,足以大到与整个人群相比吗。
Does the sample size of the population, is it large enough compared to the population as a whole.
的样本大小和频率指定的?
系统随机抽样的推荐样本大小是500名儿童。
The recommended sample size for a systematic random sampling is 500 children.
在畜牧和生物试验中,需预先估计试验所需的样本大小。
Sample sizes should be dicided before an experiment in animal science was conducted.
科学家们打算在不同的条件下扩大样本大小进行深入研究。
They intend to do further studies with larger sample sizes in different conditions.
样本大小是该地区,该扫描仪编码内容创建一个单独的像素。
The sample size is the area that the scanner encoder reads to create an individual pixel.
以上结果为在病害调查中确定取样方式与样本大小提供了理论基础。
The findings supply a theoretical basis for selecting sampling mode and sample size for the study of the disease.
缺点是,它价格昂贵,以收集,耗时和需要大量样本大小是正确的。
The disadvantages are that it's expensive to collect, time consuming and needs a large sample size to be accurate.
目的 :论述病例对照研究设计中样本大小与统计功效估计方法。
In this paper we study the size and the power of permutation test and compare them with those of other test methods under small sample size.
样本大小不足,有偏差的样本,非独特的观念和研究中的科学缺陷。
An inadequate sample size, a biased sample, a non-unique concept, and scientific flaws in the study are common faults.
虽然我们有一些有天赋的球员在测试阶段,它还是一个非常小的样本大小。
While we had some talented players in beta, it's still a very small sample size.
局限性:粪便取样方法已经被标准化了,但是样本大小取决于粪便的稠度。
LIMITATIONS: the fecal sampling method is standardized, but the sample size depends on fecal consistency.
该结果也表明本实验在时间,样本大小和问卷权威性等方面存在一定的局限性。
The result also shows that the experiment has its own limit in time, subjects and authentic questionnaire.
因为样本大小有限,精确极限和导数不存在,最近似的导数可以洞悉游戏平衡性。
Because of the finite sample size, the precise limit and derivative does not exist. However, the approximate derivative will provide insight into the game balance.
涉及到设计方法的研究中,需要根据目标人群,抽样方法和技术来选择样本大小。
The involves the methods of design study, target population, sampling method and the techniques that were used to select the sample size.
这些研究在样本大小方面从I到III期度增加了,表明在前瞻型设计中的进步。
The studies increased in sample size from phase I to III and showed a progression in the use of prospective designs.
结果表明,当样本大小大于50时,回归系数的最小二乘估计具有较高的估计精度;
Our research shows that when sample size is greater than 50, the least square estimate of regression coefficiencies has high estimate precision.
结论依据感染率预估值确定混合样本大小与混合样本量的研究思路,具一定的可行性。
Conclusion Based on the criterion of MSE and the predicted vector infection rate, the method was proved feasible in determining pool size and number of pools.
组织应当建立确认计划包括方法、接受标准、如果可以,样本大小的统计技术。(新增)。
The organization shall document validation plans that include methods, acceptance criteria and, as appropriate, statistical techniques with rationale for sample size.
组织应当建立验证计划,包括方法、接受标准、如果可以,样本大小的统计技术。(新增)
The organization shall document verification plans that include methods, acceptance criteria and, as appropriate, statistical techniques with rationale for sample size.
为了解决这个问题仅限于我们的样本大小的组3个或更多,同时保持了原样本的社会人口概况。
To address this issue our sample was restricted to group sizes of 3 or more while maintaining the sociodemographic profile of the original sample.
然而,由于本研究受其样本大小、研究范围和时间的限制,其研究结果不能随意应用到任何情况中。
However, due to the various limitations, mainly the research scope, the sample size and time, the results might not be overgeneralized.
但有没有样本大小的方法,你会用它来选择你的样品,可能作出的反应率,潜在的变量和因变量的信息。
But there is no information about your sample size, the method you will use to select your sample, the likely response rate, potential independent and dependent variables.
每个接口解释条款,你需要通过必要的步骤,以确定有效样本大小—给你清晰,准确的回答您的研究向前移动。
Either interface explains terms and takes you through the steps necessary to determine an effective sample size - giving you clear, precise answers to move forward with your research.
试剂的选择,控制方式和温度选择,以及样本大小的研究是根据一系列不同结构和输送装置的材料,如:粒,胶帽等。
Reagent selection, control style and temperature chosen, along with sample size is investigated for a range of materials with different structures and delivery mechanisms – caplets, gel caps etc.
结果:主要影响样本大小的参数为易感基因频率、环境因素暴露率、基因遗传方式,而疾病的发生率对样本量影响很小。
Results: The most influential parameters of sample size were susceptibility frequency of the genotype, environmental exposure factors in the population, and genetic modes.
随后,从模型角度分析关联度保序的稳定条件,由采样方法的角度分析采样方式、样本大小、样本数对关联性分析的影响。
Subsequently, the stabilizing conditions to keep the correlation in its order are analyzed in the aspects of the model, the sampling manner, the size of the swatch and the count of the swatches.
虽然研究的样本大小符合作者的先天决定的功率计算,在分析两组再断裂发生率之间差异时,可能需要一些重要的临床考虑。
Although the study met the sample size dictated by the authors' apriori power calculation, the difference in the rerupture rate might be considered clinically important by some.
虽然研究的样本大小符合作者的先天决定的功率计算,在分析两组再断裂发生率之间差异时,可能需要一些重要的临床考虑。
Although the study met the sample size dictated by the authors' apriori power calculation, the difference in the rerupture rate might be considered clinically important by some.
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