phase[classno] = 1;
重点区域示范，引领效应日益凸显，推荐阅读im钱包官方下载获取更多信息
，这一点在爱思助手下载最新版本中也有详细论述
Under certain circumstances, it’s possible to modify ordered dithering so that it can better handle colour information. This requires that we use a palette that is regularly distributed in colour space. A regular palette is composed of all possible combinations of red, green and blue tristimulus values, where each colour component is partitioned into a number of equally spaced levels. For example, 6 levels of red, green and blue totals 6³ = 216 unique colours, equivalent to the common web-safe palette.，更多细节参见搜狗输入法下载
Same-font vs cross-font: font pairing matters
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