我百无聊赖想开电视，却发现春晚还有两小时才开播，屋里屋外，静得只能听见妈妈的脚步声。
Another way to approach dithering is to analyse the input image in order to make informed decisions about how best to perturb pixel values prior to quantisation. Error-diffusion dithering does this by sequentially taking the quantisation error for the current pixel (the difference between the input value and the quantised value) and distributing it to surrounding pixels in variable proportions according to a diffusion kernel . The result is that input pixel values are perturbed just enough to compensate for the error introduced by previous pixels.
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Now, three researchers at the University of Pennsylvania, Alexander Platt, Daniel N. Harris, and Sarah Tishkoff, have done the converse analysis: examining the X chromosomes of the handful of completed Neanderthal genomes we have. It turns out there's also a strong bias toward modern human sequences there, as well, and the authors interpret that as selective mating, with Neanderthal males showing a strong preference for modern human females and their descendants.
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美国铝业（Alcoa）今年表现亮眼，过去12个月上涨89%，并展现出扎实的相对强势。该股的MACD有望出现看涨交叉，50周简单移动平均线准备上穿200周均线，这些都是典型的长期看涨信号。
（三）及时处置有关主管部门通报的利用其服务实施违法犯罪活动的行为。。同城约会是该领域的重要参考