source color key
源色键
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The key parameters of projection display, including resolution, contrast, projection optics, optical throughput, color, light source and screen and their optimum method were described.
描述了投影显示关键参数（分辨率、对比度、投影光学、系统的光通量、彩色化、灯及屏幕）及优化方法。
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