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词汇 Normal population
分类 英语词汇 英语翻译词典
释义

Normal population

英语例句库

This paper proposed an algorithm for finding critical value of normal population variance under unbiassed tests with uniform dominance.

本文给出了求正态总体方差的一致最优化无偏检验的临界值的算法。

No proof has been provided that gastric hypomotility or stasis is more prevalent in patients with gastric ulcer than in the normal population.

没有证据表明胃溃疡患者的胃动力不足或停滞较正常人更为常见。

原声例句
VOA Special 2019年9月合集

They found that their death rates a year after leaving hospitals were up to five times higher than the number expected in Guinea's normal population.

他们发现，这些幸存者在出院一年后的死亡率比几内亚普通人的预期死亡率高5倍。

科学快报-科学美国人Science Quickly, from SCIENTIFIC AMERICAN

So it's it's a condition that occurs in the normal population, it's more frequent in children than in adults.

所以这是一种发生在正常人群中的病症，儿童比成人更常见。

英语百科

Normal distribution

For the normal distribution, the values less than one standard deviation away from the mean account for 68.27% of the set; while two standard deviations from the mean account for 95.45%; and three standard deviations account for 99.73%.
As the number of discrete events increases, the function begins to resemble a normal distribution

In probability theory, the normal (or Gaussian) distribution is a very common continuous probability distribution. Normal distributions are important in statistics and are often used in the natural and social sciences to represent real-valued random variables whose distributions are not known.
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