representative sample

基本解释

To our knowledge, this is the first CFR study based on a nationally representative sample of measles outbreaks.
據我們所知，這是第一個基於全國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.
蓋洛普世界民意調查從2005年到2006年間，對132個國家民衆的代表性樣本就廣泛的問題進行了調查。
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“地球人的首個代表性樣本”，作者寫道，“被用於探尋爲什麽‘幸福’與高收入相關的原因。”

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.
一個人可能某一天少喫些,另一個人可能多喫些,很多人都會這樣,你可能正好得出人們,平均每天的攝入量,但把它的整躰平均一下,就得到有代表性的結果
耶魯公開課 - 關於食物的心理學、生物學和政治學課程節選

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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