Several news organizations have embraced this way of selling their circulation story to advertisers, and it does result in a substantially higher total.

几家新闻机构已经接受这种方式，并向广告商承诺他们的发行量保证，这样一定会导致截然不同的更高的统计量。

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Professor Jeremy Pearson, Associate Medical Director at the British Heart Foundation, said: "These researchers have deciphered how a crucial part of a crucial protein in our circulation is built."

英国心脏基金会医务副主任杰里米·皮尔森教授称：“科学家们向我们解释了人体循环中一种重要蛋白质的主要组成部分是如何构建的。”

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The results of a feasibility study have been published online in Circulation: Arrhythmia and Electrophysiology, a journal of the American Heart Association.

关于可行性研究的结果已经在线发表于《循环：心律失常与电生理》，美国心脏学会杂志之一。

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Censorship only comes into play once a text has actually been in circulation for a while, only after a number of readers have found a published text to pose a threat.

控制仅仅是一本书已经出版发行一段时间,一些读者已经发现这印刷的文本,造成威胁时才起作用的。

耶鲁公开课 - 弥尔顿课程节选

Sleepiness: Elderly people who frequently doze off during routine daily activities, such as reading or watching TV, have a greater chance of suffering a stroke than less sleepy individuals, according to a study in Circulation: Cardiovascular Quality and Outcomes.

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Instead, new medical devices allow valves to be fixed or replaced with tiny catheters that are snaked up from the groin, similar to the way stents are implanted in the heart to open clogged arteries when people have heart attacks or pain from a lack of good circulation in the heart muscle.

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Those declines have become common to the newspaper industry as a result of shrinking circulation and migration to the Internet.

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