应用计算机制定下料方案，并绘制出排版图。大大节约了时间，极具推广价值。
Material cutting plan with arrangement drawing is worked out by means of computers, which saved much time and worth popularizing.
根据传统排版图书，每行文字的最佳字符数是55 - 75，但是事实上，每行75 - 85个字符更流行。
According to classic typographic books, the optimal number of characters per line is between 55 and 75, but between 75 and 85 characters per line is more popular in practice.
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