AJA had more references and relatively concentrated cited journal categories, and citing half-life of AJA was longer than that of NJA.

AJA篇均引文数较高，引用文献半衰期较长，引用期刊相对集中。

youdao

But it also shows, more unexpectedly, that the publications most heavily cited include the physical Review Letters and Astrophysical Journal.

但其也更意想不到的显示了出版物最多引用包括物理评论快报和天体物理学日报。

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The papers compared different journals, and the older one compared the top 25 most cited articles against the 25 least cited ones from each journal, rather than chasing the entire corpus.

以上提到的研究比较了不同的期刊，而较老一篇文章比较了每一期刊中，被引用最多的和被引用最少的各25篇，而不是研究了整个文章集合。

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The journal cited the astronauts' service call to the Hubble Space Telescope, which gave the orbiting observatory a new lease on life.

VOA: standard.2009.12.24

What he discovered was that, for every additional year of back-issues of a journal available online, the average age of the articles cited from that journal fell by a month.

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The professors cited in the Journal article take a point of view common amongst business leaders.

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Analysts had also recently predicted that a takeover would occur within the next 12 months, and the Wall Street Journal cited anonymous sources as saying that the deal had taken place more rapidly than expected.

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