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When you get--this is Rituparna, counting the leaves on a tree-- you can estimate, from a sample, the population expected values.
如果你...像数叶子的睿都巴若那一样,只有部分样本的话,你可以来估计总体均值
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Rituparna looked at one branch and estimated the number of leaves on the tree, but Nala was skeptical.
睿都巴若那查看了一根树枝,然后估算了一个总数,但是那勒仍然心存怀疑
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This is a little paradise, a paradise on the verge of being lost as the shades lose their leaves.
这是一个微小的天堂，一个随着叶子的凋落,即将失去的天堂。
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and your only job during this tasks is to press the button when that target comes on before it leaves the screen.
而你在这些任务中唯一要做的事,就是在目标出现未消失前按下按钮。
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He said second psychology is a psychology that leaves the labs that draws on the research done in the labs that is important and meaningful, however,doesn't only focus on that.
他说另一种心理学就是,抛开实验室的研究,实验室研究意义重大，但不只是注重这种研究。
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When it cuts it leaves sticky ends or un-base paired single stranded regions on each end of the part its cut and that's just a property of many restriction enzymes; not all, some cut blunt,just right down the middle.
它切割后会留下两个粘性末端,或者未配对的单链部分,这是许多限制性内切酶的特性,但不是全部,有些限制性内切酶是从中间钝切的
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You don't have to count all the leaves on the tree, you can take a sample and you count that and then you multiply.
你不必数树上所有的叶子,你可以抽样,然后计数,再相乘即可
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They trust to the fact that the depositors won't all come on the same day, just like a goldsmith banker -he leaves only enough gold in the safe to cover the kind of withdrawals that are normally accepted.
他们是基于这样一种考量,即储户们不会在同一天上门来取钱,正如金匠银行家那样,他留存在保险箱中的黄金数量,刚好可以应付一般的提款要求
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As with the passage on the falling of the leaves there's a kind of elegiac tone that works to undo, or at least to challenge, our theological certainty.
在描写落叶的段落里,有一种挽歌式的腔调，似乎要抹掉，至少是挑战神学上的确定性。
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So Rituparna tries to prove to him his abilities and he says, see that tree there, I can estimate how many leaves there are on that tree by counting leaves on one branch.
所以睿都巴若那就试图证明自己的能力,他说,看那边的树,我只需数一根枝杈上的叶子,就能估算出树上叶子的总数
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You have n branches on the tree and you count the number of leaves and sum them up.
一共有n根树枝,你数了叶子的数量然后把他们加起来
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