高分辨重建算法引起低对比分辨力下降；
The reconstruction algorithm of high resolution results lower low-contrast resolution.
通过实验研究螺旋ct的低对比分辨力及其影响因素。
This paper studies the helical ct low-contrast resolution and its influencing factors by experimental analysis.
一般的网页可用性设计指南推荐使用有高色彩对比度的sans - serif字体(高对比度的白字黑底或白字暗蓝底，而不是像Chadwick低对比度的蓝字蓝底)。
General web usability guidelines recommend sans-serif fonts with high contrast color selection (high-contrast white on black or dark blue rather than low-contrast like Chadwick's blue-on-blue).
应用推荐