短視頻佔據了他們的大部分時間。在使用結構中,短視頻時長佔比高達35.1%。一項研究樣本數據顯示,「幾乎每天使用短視頻」的老年人佔87.1%,每日使用超過2小時的佔48.3%。中國老齡協會網站發布的問卷調查顯示,約59.57%的受訪老年人「有網絡成癮趨勢」。
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This algorithm attempts to minimise numerically. Because of this, the quality of the dither produced by Knoll’s algorithm is much higher than any other of the N-candidate methods we have covered so far. It is also the slowest however, as it requires a greater per-pixel to be really effective. More details are given in Knoll’s now expired patent[3]. I have put together a GPU implementation of Knoll’s algorithm on Shadertoy here.