本文阐述了数字影像输出的第一大类领域：数字投影技术。
This paper presents the first main field of digital image output: digital projection technology.
在大屏幕投影显示领域，光引擎技术是获得大亮度、高影像清晰度和真实的色彩还原性图像输出的关键技术。
The technique of optical engine is the key to obtain high brightness, high definition and real colour pictures in the field of large screen projection.
在大屏幕投影显示领域，光引擎技术是获得大亮度、高影像清晰度和真实的色彩还原性图像输出的关键技术。
The technique of optical engine is the key to obtain high brightness, high definition and real colour pictures in the field of large screen projection.
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