可以利用等比级数的原理计算象素分辨率，从而确定象素的地理位置。
The resolution of each pixel can be computed according to the principle of geometrical progression. The geographical position of the pixel, in turn, can be determined.
历史上，LCD技术相比dlp产品，在相同分辨率下，趋向于表现出更多的可见象素结构。
Historically, LCD technology has tended to manifest more visible pixel structure than DLP products of the same resolution.
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