The double objects sentence is one kind of sentence types extremely rich in characteristics in the modern Chinese grammar system, and is a sentence type using verb as predication.

双宾语句是现代汉语语法体系中极富特色的一种句式，是动词谓语句的下位类型之一。

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The objects found in Project Twenty-three could double the size of the research center's collection.

VOA: special.2010.04.07

While making concrete slabs double as displays may prove useful when dressing up those otherwise drab skyscrapers, creating 3D-like images from real objects throws in a much-needed dash of geekiness.

ENGADGET: NICT and Kobe University team up to form "floating visual" 3D display