彼时，在一些地区，还存在贫困人口底数不清、扶贫对象不明、扶贫资金“天女散花”等问题，以致“年年扶贫年年贫”。
published = extract_text(soup.select_one("time"))，推荐阅读safew官方版本下载获取更多信息
На Западе подчинили рой насекомых для разведки в интересах НАТО08:43，更多细节参见51吃瓜
"Your heart is having an easy time, your muscles and bones are having an easy time. You're floating around the space station in this wonderful zero gravity environment.。heLLoword翻译官方下载对此有专业解读
Instead of perturbing each pixel in the input image at random, we can choose to dither by a predetermined amount depending on the pixel’s position in the image. This can be achieved using a threshold map; a small, fixed-size matrix where each entry tells us the amount by which to perturb the input value , producing the dithered value . This matrix is tiled across the input image and sampled for every pixel during the dithering process. The following describes a dithering function for a 4×4 matrix given the pixel raster coordinates :