If some care and support sprocket wheels running status can not continue to use, it may cause partial grinding wheel, but also probably caused by the wear track chain.

若在部分托链轮和支重轮无法运转的状态下继续使用，则可能导致滚轮磨偏，同时还可能造成轨链节的磨损。

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A number of sites track what celebrities wear so that viewers can copy the styles.

很多网站都追踪明星的穿着以方便观众跟从模仿她们的风格。

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GE has come up with "body sensor networks", tiny wireless devices that track the vital signs of those who wear them.

通用电气也开发出了名为“身体传感网络”的小型无线装置，它们能追踪仪器佩戴者重要的身体迹象。

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Norway's agriculture minister, Lars Sponheim, tried to shame his compatriots into shopping at home by snootily disparaging them as Harries, the kind of folk who wear track-suits and spend their holidays in caravans.

ECONOMIST: Scandinavian shoppers

Firefighter emergency beepers, the ones they wear to keep track of each other inside burning buildings, are slowly fading as batteries run out.

CNN: Cruel calculus: The death toll

The idea is to wear the bracelet and it will track your eating, sleeping and movement and send all the data to your iPhone or Android smartphone to help you lead a healthier life by becoming more aware of your personal habits.

FORBES: Jawbone Moving Into Personal Health, Getting IPO-ish