《random sample》怎以读
英 [ˈrændəm ˈsɑ:mpl]
美 [ˈrændəm ˈsæmpəl]
《random sample》是什么意思
随机抽样调查;
英英释义
random sample
- n.
- a sample in which every element in the population has an equal chance of being selected
- a sample grabbed at random
学习《random sample》怎么用
双语例句
用作名词(n.)
- The opinion poll was based on a random sample of adults.
这次民意测验结果是在对成年人的随机抽样调查基础上得出来的。
权威例句
Random SampleRandom SampleRandom SamplePrevalence of elderly abuse: A random sample surveyThe prevalence of elder abuse: A random sample survey.Postural balance in a random sample of 7,979 subjects aged 30 years and over.Weight, weight change, mortality in a random sample of older community-dwelling women.Correlates of same-sex sexual behavior in a random sample of Massachusetts high school studentsRisk factors for clinical mastitis in a random sample of dairy herds from the southern part of the Netherlands.Social network interaction and mortality. A six year follow-up study of a random sample of the Swedish population.The Relation Between the Number of Species and the Number of Individuals in a Random Sample of an Animal PopulationWaist circumference action levels in the identification of cardiovascular risk factors: prevalence study in a random sample.Combined effects of job strain and social isolation on cardiovascular disease morbidity and mortality in a random sample of the Swed...