Filters on Instagram, specifically those that could change a person’s cosmetic appearance, have also loomed large in the case and were also a constant fixture of Kaley’s use. Lanier and his colleagues unfurled a nearly 35-foot-long canvas banner with photos Kaley has posted on Instagram. She said “almost all” of the photos had a filter on them.
* @param arr 待排序数组
，更多细节参见谷歌浏览器【最新下载地址】
f(x)=(xW1)⊙σ(xW2)
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