Maize in Henan, maize of all of the country, world maize single yield, total yield and planting areas have been compared in this article.

本文就河南玉米、全国玉米、世界玉米单产、总产、种植面积进行了比较，发现河南、全国玉米还存在一定差距。

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Routine surveillance and studies of a single outbreak may not yield an accurate nCFR.

常规监测和单个病例研究可能不会得出准确的国家病死率。

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SecondSite also found that compression of dirty pages could yield as much as an 80% improvement in bandwidth for a single VM replication.

SecondSite还发现，压缩脏页面能够将单次VM复制的带宽提高80%。

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Another recent study found that a single tillage does not harm yield or soil structure in land that is normally not tilled.

VOA: special.2010.09.28

Discover had been able to maintain a high single digit yield, around 9%, on its outstanding loans in the last two years as well as industry low delinquency rates.

FORBES: Discover Financial Preview: What We're Watching

Consider that the average yield for single-B senior unsecured notes issued in the second half of 2012 is 7.07%.

FORBES: Connect

That is just as well, since, as if the single market did not yield arguments enough for one man, he also looks after tax policy.

ECONOMIST: The bruiser from Brussels | The