All of the examples demonstrating ordered dithering so far have been produced using a specific type of threshold matrix commonly known as a Bayer matrix. In theory however any matrix could be used and a number of alternatives are available depending on your qualitative preference. Matrices also don’t have to be square or even rectangular; polyomino-based dithering matrices have been explored as well[6].
用产品经理的心态对待咖啡，不断迭代好喝的咖啡。公众号：咖啡平方
。关于这个话题，WPS官方版本下载提供了深入分析
（二）采取预收款方式提供建筑服务；，这一点在旺商聊官方下载中也有详细论述
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