Dithering in its simplest form can be understood by observing what happens when we quantise an image with and without modifying the source by random perturbation. In the examples below, a gradient of 256 grey levels is quantised to just black and white. Note how the dithered gradient is able to simulate a smooth transition from start to end.
原因何在？麥永剛說，因為多數西方管理者，尤其是那些對中國科技進步感到興奮的人，往往會忽略經濟風險。因為中國目前正處於通縮狀態，這種情況至少還會持續好幾年。此外，中國的民族主義情緒、近期的「購買中國貨」口號，加上自2016年起與美國的脫鉤，以及對全球的出口壓力，都讓西方企業很難參與中國規劃的未來。，推荐阅读旺商聊官方下载获取更多信息
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This article originally appeared on Engadget at https://www.engadget.com/science/nasa-overhauls-artemis-program-delaying-moon-landing-to-2028-164255318.html?src=rss