一条上扬曲线，刻录5年巨大跨越：中国经济总量连续跨越110万亿元、120万亿元、130万亿元、140万亿元关口；人均国内生产总值连续3年超过1.3万美元；粮食产量连续两年站稳1.4万亿斤台阶；制造业增加值连续16年稳居世界首位……
近年来，同各国领导人深入战略沟通，在国际多边峰会发表重要演讲，习近平主席立场鲜明：“我一贯主张，历史不能倒退，应当向前；世界不能分裂，应当团结；人类不能回到丛林法则，应当构建人类命运共同体。”
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As a postscript, we ought to ask if the same reasoning applies to rationals; if it does, that would contradict our earlier argument that rational numbers can only have a handful of 2-good solutions. To show that there is no contradiction, note that in the rational case, s can conceivably reach zero (i.e., a / b can be an exact approximation). Next, rewrite r as p / q in the left-hand portion of the earlier inequality:
Everything above assumes macOS is being run without display scaling. Display scaling is a system preferences setting that renders your Mac’s screen to a virtual buffer that is larger or smaller than your display, and then scales the final result to fit. This allows Macs to work with a wide range of displays with different pixel densities.