单反有较高的分辨率还能手动设置曝光，是捕捉闪电的最佳相机。
SLRs are the best cameras for capturing lightning because of their high resolution and manual exposure Settings.
两款显示器均支持1280x1024的最佳分辨率，响应时间为5ms，对比度为1000：1，亮度打250cd/m2，视频输入接口则只设置哦VGA接口。
Either has a maximum 1280x1024 resolution with a 5ms pixel response time, 1,000:1 contrast ratios, 250cd/m2 brightness and VGA only for input.
为保证最大分辨率必须选用薄层，为使误差最小却须选用厚层，实际上通常选择介于两者之间的最佳厚度。
In practice, the selected interval thickness is usually a compromise between the need for a thin interval to maximize the resolution and a thick interval to minimize the error.
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