random sample

基本解釋

Instead of getting a random sample, your poll will reflect the activist groups' organizational skills and energy level.
這樣一來，由于無法獲得隨機(jī)的抽樣，投票只能反映各激進(jìn)組織的組織技巧和精力。
They are not a random sample, so those numbers do not represent reality whether or not those numbers serve our interests.
而這些案例不是隨機(jī)樣本，所以那些數(shù)據(jù)無法反映現(xiàn)實(shí)，無論那些數(shù)據(jù)是否對我們有利。
I am against processing those case studies into numbers, because those numbers would only be valid if the case studies we have are a random sample.
我反對將那些案例研究處理成數(shù)字，因?yàn)橹挥形覀兯莆盏倪@些案例是隨機(jī)樣本時(shí)，那些數(shù)字才有效。

Do I go out to Harvard yard and take a random sample ? of sophomores to study meditation?
是不是可以在哈佛大二學(xué)生里隨機(jī)抽樣,來研究冥想？
哈佛公開課 - 幸福課課程節(jié)選
And I say if you took a random sample of the Americans: "When you woke up in the middle of the night" and said: "What does the America stand for?"
我覺得如果給美國人做個(gè)抽樣調(diào)查：,半夜醒來的時(shí)候“,被問到，美國人主張什么“
普林斯頓公開課 - 國際座談會課程節(jié)選
And the other thing you can do is take self reports like the ones you're doing, hopefully do enough of them, and a random enough sample of the population, that you can extrapolate from that sample to the whole population, and try to estimate what people are eating in that way.
還有其他可以做的,比如大家正在做的這種個(gè)體調(diào)查,希望能把它做的充分些,如果有充足的隨機(jī)樣本,就可以從樣本推斷出,整個(gè)總體,從而推斷哪類人有這樣的飲食習(xí)慣
耶魯公開課 - 關(guān)于食物的心理學(xué)、生物學(xué)和政治學(xué)課程節(jié)選

We estimate that about 5 to 8 percent of a random sample of children have ADD.
NPR: Excerpt: 'Delivered from Distraction'

隨機(jī)采樣
That is a mixed sampling algorithm including random sample and curvature sample.
本文結(jié)合了隨機(jī)采樣和曲率采樣各自的長處,提出了一種混和采樣方法。
隨機(jī)抽樣
隨機(jī)樣本