Like the Kindle, it USES a 16-level e-ink display for text from Vizplex.

与Kindle相同，Nook使用Vizplex的16级电子墨水屏幕来显示文本。

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The fastest DOD heads are the Seiko Epson and Panasonic heads but these only produce a binary (1 grey level) 600dpi ink dot.

目前最快的压电按需喷咀是精工爱普生和松下公司的产品，但它们只能提供1级灰度、600dpi解像度的墨滴。

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The rich level of the courtyard, on the other hand, simplifies the facade of the building, which is similar to the traditional Chinese ink painting where black, white and grey are chosen naturally.

另一方面，庭院的丰富层次使得建筑的表皮得以简化，类似中国传统水墨画的黑白灰成为自然的选择。

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And whereas piercings can easily be removed, there's a certain level of fierce commitment that comes with injecting dark ink directly into your face.

CNN: Apparently This Matters: Face tattoos

Wilcox laid off half of the company's senior-level employees and promoted middle managers with a strong grasp of E Ink's technology and the manufacturing process.

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