新电子墨水技术使屏幕可以显示出16灰阶，比之前的4灰阶显示有了长足进步。
The e-ink technology powering its screen is also a newer generation, displaying sixteen shades of gray rather than four.
医疗影象领域的专家Barco公司（Kortrijk， Belgium）已经向市场投放了下一代经济有效的NIO灰阶显示系统。
Medical imaging specialist Barco (Kortrijk, Belgium) has launched the next generation of its cost-effective NIO grayscale diagnostic display systems.
但2.0版本可以在16灰阶下显示图片，这比前一版本可怜的4灰阶要好很多。
But version 2.0 displays images in 16 grayscale shades, far better than the previous version's pathetic four.
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