A given country might want to monitor dust storms, measure rice yields or track population migrations.

一个领先的国家需要检测沙尘暴，测量大米产量，和跟踪人口流动。

youdao

If the image is coupled with the patient's details and location, the system could also help track the spread of a disease through the population, he says.

他还说，如果图像上附带了患者的详细资料及所在位置，系统还能够帮助跟踪出疾病传染的人口范围。

youdao

Neither the charming old track nor the town itself, with a population of just under 40, 000, was built for such crowds.

这个居民人口在40,000之下的迷人的老赛道甚至这整个小镇，都没有规划到这么大群观众的到来。

youdao

Well there are methods that get used to track population intake and methods to track individual food intake, and let's talk about each of them.

有的方法,用于追踪总体摄入量,有的方法追踪个体食物摄入量,让我们分开来谈

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Well, first it is important because it's-- you need to track what the population is eating and also individual intake.

说它重要首先是因为,你需要探寻人们都吃什么,还有个体摄入量

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And as a result of writing it down and keeping track, he produced a very clear record, and scientific evidence, that using this procedure could protect a population of people from the disease.

凭借他的持续关注和追踪,他做出了十分清晰的记录,留下了科学证据,证明这种方法,可以让人们不再得这种病

耶鲁公开课 - 生物医学工程探索课程节选

Other manufacturers see the body as territory for your insurance company, your doctor, or even your employer to claim, so they were there, too, offering devices and apps designed to help track our aging population on behalf of institutions.

FORBES: CES 2013: The Four-Sentence Summary

Broadway's track record with that population has been mixed, perhaps because "there's never been a sustained effort made, " said Jed Bernstein, a producer and former executive director of the League of American Theatres and Producers.

WSJ: Stephen Byrd | Developing a Multiracial 'Desire' | Cultural Conversation by Joanne Kaufman

Another way to track such interstate movement is from population changes available from the U.S. Census Bureau over the same period.

FORBES: Hollywood Tax Hikes: What's Happening In Vegas Stays In Vegas