Graphic works such as diagrams of project design, drawings of product design, maps and sketches as well as works of their model;

工程设计图、产品设计图、地图、示意图等图形作品和模型作品；

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Vision and design experts say the best maps, charts and presentations use words and icons in addition to color.

WSJ: New Outlook for Colorblindness

With a unique design, enhanced camera, world class maps with turn-by-turn navigation and free unlimited music streaming, the Nokia Lumia 822 provides Verizon Wireless customers with high-end smartphone features on America's largest 4G LTE network.

ENGADGET: Verizon officially announces Nokia Lumia 822, coming this Fall (update: $100 on two-year contract)

Yet Dr Roberts, whose academic work Underground Maps Unravelled has just been published, doubts his design will ever be used.

BBC: London Underground map gets curves in lecturer's design