Printers recognize the form-feed character and automatically advance the print head by the required number of lines necessary to begin the next line of data on a new page.
打印机会识别换页符并自动根据在新的页开始新行所需的行数移动打印头。
This was chosen as the default as it is a very common page length on line printers.
选择72作为缺省值是因为在行打印机上这是很常见的页长度。
Some printers can print in concrete, meaning that some time down the line, we'll be able to print buildings.
某些打印机可以在具体的打印,这意味着一段时间的路线,我们将能够打印的建筑。
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