该显示屏在多个像素点近旁嵌入了微型光学传感器。

Optical LCDs embed tiny light sensors next to many of the screen’s pixels.

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光学扫描仪能读出字符，并将其转换到电脑显示屏上。

An optical scanner can actually read characters and transfer them to the monitor screen of a computer.

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因为高端光学镜片、下一代液晶显示屏以及原始的holodeck耗费很多钱，而搞清楚如何做他们需要大量的时间和密切的合作。

That's because high-end optics, next-generation LCD screens, and proto-holodecks cost a lot of money, and figuring out how to build them takes a lot of time and close collaboration.

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