What's the estimated population of Mumbai?

孟买估计有多少人口？

Ah yes, in our quiz question I asked you what the estimated population of Mumbai is.

啊，是的，在我们的测试问题中，我问你孟买估计有多少人口。

Among them, Sri Lanka now has the highest density of Asian elephants, with an estimated population of 5,800.

其中，斯里兰卡的亚洲象分布是最稠密的，数量也达到了约 5800 头。

The Department of Environmental Conservation estimates the optimum population at 60.

据环境保护署估计，鹿的最佳数量为60只。

In the late 17th century, what had become the city of New York had an estimated population of less than 8,000 people.

17世纪末，纽约市的人口大约不到8 000人。

Researchers around the world use this type of tool to estimate population numbers and overall abundance of species.

全世界的研究者都用这种工具来估计种群数量和物种整体丰度。

Scientists can use it to identify rare or invasive species, study biodiversity or estimate fish populations with just a little air or water.

科学家们能使用这种技术来识别罕见或侵入性物种，只需少量空气或水来研究生物多样性或估计鱼群大小。

Researchers can also ask commercial fishing companies how much they’ve caught, and try to estimate fish populations that way.

研究人员还可以询问商业捕鱼公司他们捕获了多少，并尝试以这种方式估计鱼类数量。

The unemployment rate -- calculated in the household survey -- mostly avoids the problem of estimating the population, says Guy Berger of Burning Glass Institute, a research organisation.

燃烧玻璃研究所的盖伊·伯杰说，失业率（根据家庭调查计算得出）在很大程度上规避了人口估计的问题。

The latest Indian census of the island tried to estimate their population and calculated it to be around 40, but other estimates place the true population somewhere between 50 and 400 people.

印度对该岛的最新人口普查想要估计其人口数量，并计算出大约有 40 人，但其他估计认为真正的人口在 50 至 400 人之间。

So what you do is you survey a random sample of that population and then you can calculate statistics on that sample that hopefully can estimate the population as a whole.

所以你要做的是调查该人口的随机样本，然后你可以计算该样本的统计数据，希望可以估计整个人口。

Why can't the herd be thinned the old-fashioned way? The small community of North Haven on Long Island is home to some 600 to 700 deer. The Department of Environmental Conservation estimates the optimum population at 60.

为什么不能用传统的方式减少鹿群？长岛北哈芬的小社区是大约600到700只鹿的家。环境保护部门估计理想的数量应该是60只。