Some boys like to assemble model airplane.

有些小男孩喜欢组装飞机模型。

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Some boys like to assemble model airplanes.

有些男孩喜欢装配模型飞机。

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Assemble model can draw components of retrieval system precisely, it can also be used to account recall ratio, and precision ratio.

集合模型能够精确地描述检索系统的构成，还可以用来计算检索的查全率和查准率。

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Just a month ago, a 3D-printed lower receiver was put to the test by Michael Guslick, who wrote on an AR-15 enthusiast web forum that he was able to assemble a working model of the rifle with a receiver printed on a Stratasys model printer and to fire 200 rounds without any sign of wear on the printed piece.

FORBES: 'Wiki Weapon Project' Aims To Create A Gun Anyone Can 3D-Print At Home

In contrast, many conservatives seem to have macroeconomic policy views that seem like common sense but are hard to square with empirical reality or assemble into a coherent economic model.

FORBES: Internet Austrianism and the Need for Conservative Expertise

With those criteria in mind we dug deep into the available data to assemble the accompanying slideshow of 10 model-year 2013 vehicles that, with proper attention, can reasonably be expected to keep up with traffic for at least 250, 000 miles.

FORBES: Cars That Can Last For 250,000 Miles (Or More)