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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Variable sampling rate tracking, which is based on nets or grids multi-sensor asynchronous fusion tracking, is an important operating modes in phased array radar.

变采样率跟踪是相控阵雷达的一种重要工作模式，是基于网络或栅格多传感器异步融合跟踪的基础。

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A coordinated control scheme of 4ws and active suspension based on yaw rate tracking is proposed, which distributes the control force between front and rear active suspensions and hen.

提出了基于横摆率跟踪控制的4ws和主动悬架的协调控制方法，对前后轴主动悬架控制力进行了分配，提高了大侧向加速度时的横摆率响应。

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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

Based on corporate income taxes collected by the U.S. Treasury, the taxable earnings of all private and public U.S. corporations were up a whopping 60% in 2006 versus 2004--the fastest rate since we began tracking it a decade ago.

FORBES: Stealth Stock Boom Set To Fly