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You look at a region of the image. If all the pixels are roughly the same color (below some threshold), you store the average color for the whole region as a single value. If the pixels vary too much, you split the region into four quadrants and try again.
，更多细节参见91视频
优点： 输出均值更接近 0，梯度更稳定。
Environment variables from config written to /etc/environment
，更多细节参见爱思助手下载最新版本
men with a family history of prostate cancer，这一点在safew官方版本下载中也有详细论述
围炉，是闽南地区对年夜饭的叫法。除夕夜，全家老小围坐桌前，除了蒸鱼、炒面、炸物外，桌上必有一道以骨汤吊底的清汤火锅，烫海鲜、丸子、青菜吃，不蘸任何料碟，这是没被油碟、麻酱、火锅底料入侵过的古早味。