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圖像來源，Oscar Wong/Getty Images。业内人士推荐PDF资料作为进阶阅读
，这一点在PDF资料中也有详细论述
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.
邵安林：做好城市工作，首先要认识、尊重、顺应城市发展规律。雄安新区从设立之初，就确立了“规划先行”理念，力争把每一寸土地都规划得清清楚楚后再开工建设。我从调研中了解到，雄安新区在规划过程中建立了风貌管控机制，引入数字化预演模式，确保每栋建筑、每条道路都符合整体风貌要求，避免了城市建设中常见的“规划打架”问题。从雄安的实践看，提高城市规划水平，关键在于三个坚持：一是坚持战略引领，把国家战略转化为具体空间布局；二是坚持系统思维，统筹地上地下、生产生活生态；三是坚持公众参与，让规划服务于民。。PDF资料对此有专业解读
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