Heart rate tracking for three of the Alaska bears showed a drop from 55 beats per minute on average before hibernation to 14 erratic ones per minute in winter.

对三头阿拉斯加的黑熊的心率追踪显示出它们在冬眠前的平均每分钟 55 下降低到了冬天里每分钟飘忽不定的 14 下。

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And for the purposes of investment decisions, the second group didn't matter; tracking its spending habits or worrying over its savings rate was a waste of time.

投资决策的目的，第二种人并不关心。调查他们的消费习惯，关心他们的储蓄率根本就是浪费时间。

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Tracking the changing "price" of women, Mr. Porter turns his eye to America's fertility rate, which went into steep decline around 1970.

追溯女人“价格”的变化，波特先生把他的目光投向美国妇女生育率。 美国的妇女生育率在1970年左右就已经进入到下降趋势。

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An information technology consultant in Croatia who is interested in the outcome of the contest has been tracking the rate of new followers for CNN and Kutcher.

CNN: Ashton Kutcher challenges CNN to Twitter popularity contest

In addition to simply tracking your total poundage, there will be bands for tracking heart rate and the S 4's various sensor can help judge the comfort level of your environment.

ENGADGET

Sales increases on a year-over-year basis have been tracking at roughly the same rate (about 3 to 4 percent) for both private and public companies since then, too.

FORBES: Comparing private, public company trends