To present our work we have produced hand-drawn sketches and working models made by the design team at our studio.

为了展现设计师门的工作，设计团队在工作室制作了手绘草图和工作模型。

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The U.S. patent office refuses to assess claims for perpetual motion devices unless the inventors can produce working models.

美国专利局拒绝评估认证永动装置，除非设计者们能制造出可用的模型。

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Objective: To explore the relationships among attachment working models, the sense of stress, coping strategies and negative moods.

目的：探讨大学生依恋模式与生活压力感、应对方式和负性情绪的关系。

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Photos of an early version of the modern playground swing have been released in a bid to track down the oldest working models.

BBC: Wicksteed Park releases archive photos for appeal

Brasil reports that the country will receive 50 test laptops from OLPC, making it the first nation to have actual, live, working models.

ENGADGET: OLPC Update: Brazil to get test machines, Thailand pulls out

Two Philadelphia programs, KEYSPOT and Philly Rising, employ this civic collaboration model for planning and implementation and serve as working models for innovative government.

WHITEHOUSE: Community Engagement and Civic Collaboration