更确切地说，修订后的测量削去了这个粒子半径的百分之四，该项研究还上了《自然》期刊的封面。
More precisely, revised measurements shave four percent off the particle's radius, according to a study in Nature that is highlighted on the journal's cover.
有些大学减少了大笔交易，以订阅几种核心期刊取而代之，并辅之以按每篇文章下载次数收费的做法。
Some universities have dropped big deals in favour of subscriptions to a few key journals, topped up by pay-per-view downloads of individual articles.
这项工作，是劳厄·郎之万研究所(ILL)的研究团队完成的，结果发表在《自然》期刊上，证明过程运用了慢速中子在引力下的掉落现象。
That work, by a group of researchers at the Institut Laue-Langevin (ILL) and published in a paper in Nature, used slow-moving neutrons falling due to gravity.
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