Objet’s machines can produce not only solid things out of plastic-type materials, but complex ones with moving parts too, such as a working model of a bicycle chain or a small gearbox.

Objet Geometries不但可以制造塑料的立体物品，还能制造有活动零件的复杂产品，如自行车链或小变速箱的可用模型。

youdao

He made a working model of a steam engine out of old bits of metal.

他利用废旧金属片制成一个蒸汽引擎的工作模型。

youdao

For the application collective MDBMS working in spreading area, this paper discusses and works out an intelligence multimedia web database model based on CSCW.

从CSCW的研究思路，讨论对于地域分散的多媒体数据库系统的群体应用，提出并分析了多媒体数据库协同工作模型。

youdao

The researchers used the threat to birds as a model for working out the costs of extinction to all species.

BBC: Science & Environment

In some ways, this might be a somewhat updated model for nation building in general: Get a working, reliable framework out there, let individuals make their businesses in it.

FORBES: IBM's Continent Building in Africa