自由立体显示技术是当今立体显示的主流技术，文中阐述了该技术的研发动态。

The states of the art for two mainstream technologies of auto-stereoscopic 3D display are presented.

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概述了NKK钢铁公司近年来一系列高附加值产品的最新研发动态，涉及汽车板、电工钢等产品。

The status of research and development of high additional value products, such as car sheet and silicon sheet in NKK is introduced.

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