The display was put together by the World Wildlife Fund and the population estimate is based on their most recent survey.

这次展览由世界野生动物基金会举办，对熊猫数量的估计来自于他们最近的调查。

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Then comparing the number of marked bears to the number of bears that are not marked, we can come up with a population estimate.

然后比较有标志的熊的数量与没有标志的熊的数量，我们可以得出一个群体数量的估计。

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The fourth Waterbird Population Estimate found that 44 percent of the 900 species globally have fallen in the past five years, while 34 percent were stable, and 17 percent rising.

在这份第四次＂水鸟数目估计＂调查报告中发现，在过去的五年内，在全球900种鸟类中有44% 数目在下降， 34%保持稳定， 17%在增长。

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City officials estimate the population at seventy thousand.

VOA: special.2009.03.30

You have to make those calculations and there are errors in that, but you come away with a population estimate of things like that.

你必须把这些都算进去,因为其中存在误差,但这样你会得出,整体人群摄取量的估算值

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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

耶鲁公开课 - 金融市场课程节选

As the population grows from its current 1.3 billion, experts estimate the swelling population will require about ten million new housing units to be built each year for the next twenty years.

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From sample surveys, officials estimate the population at the end of 2009 to have been 1.33 billion.

ECONOMIST: China's ten-yearly census: The world's biggest headcount | The

Now city officials estimate the population at around 300, 000, and the paper's circulation was down to 179, 834 for the six months ending March 31, 2008.

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