representative sample

基本解釋

To our knowledge, this is the first CFR study based on a nationally representative sample of measles outbreaks.
據(jù)我們所知，這是第一個(gè)基于全國(guó)代表樣本的麻疹病例病死率研究。
The Gallup World Poll conducted surveys on a wide range of subjects in a representative sample of people from 132 countries from 2005 to 2006.
蓋洛普世界民意調(diào)查從2005年到2006年間，對(duì)132個(gè)國(guó)家民眾的代表性樣本就廣泛的問(wèn)題進(jìn)行了調(diào)查。
This "first representative sample of planet earth," the authors wrote, "was used to explore the reasons why 'happiness' is associated with higher income.
這項(xiàng)“地球人的首個(gè)代表性樣本”，作者寫道，“被用于探尋為什么‘幸?！c高收入相關(guān)的原因。”

One person might be a little low one day, another person might be high, a lot of people might-- you might happen to have captured them on an average day, but overall it averages out, so you get a representative sample.
一個(gè)人可能某一天少吃些,另一個(gè)人可能多吃些,很多人都會(huì)這樣,你可能正好得出人們,平均每天的攝入量,但把它的整體平均一下,就得到有代表性的結(jié)果
耶魯公開(kāi)課 - 關(guān)于食物的心理學(xué)、生物學(xué)和政治學(xué)課程節(jié)選

The bonds used in the representative sample tend to be the largest and most liquid in the index.
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It is hard to construct a representative sample in a country as large, diverse and unequal as Brazil.
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This is by no means a definitive list but rather a representative sample.
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