random sample什么意思 random sample音标、翻译、用法
random sample音标
英 [ˈrændəm ˈsɑ:mpl]
美 [ˈrændəm ˈsæmpəl]
random sample翻译
n.
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 selecteda sample grabbed at random
random sample用法
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 Sample
Random Sample
Random Sample
Prevalence of elderly abuse: A random sample survey
The 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 students
Risk 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 Population
Waist 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...