结果屏片接触越紧密，光学对比度越大。
Results: the tighter screen film contact, the higher contrast is.
在屏幕上的字体由墨水形成，与背景形成很高的光学对比度，使之便于阅读。
Letters and other characters on the screen are formed out of ink that has a high optical contrast with the background, making them easy to read.
该传感器允许延长光学动态范围，在保持不饱和明亮的场景图像领域中的阴影区域的对比度好多个斜坡设置。
The sensor allows the setting of multiple slopes for extended optical dynamic range, which maintains good contrast in shadowed regions of an image without saturating bright areas in scenes.
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