The backlit logo panel and function-specific keys of the 3624 look more pleasant
参考资料：[1]内存价格暴走，高盛下调全球手机销量预期，中低端先扛不住，华尔街见闻
，更多细节参见safew官方下载
score-all-pairs loads the render index and computes SSIM for every valid source/target combination. 235,625 comparisons, two modes: same-font (both characters in the same font) and cross-font (source in a supplemental font, target in a standard font).
line_quality: “clean, crisp”