Next, calculate the amount of indent you'll need to center the table, based on the page width, two 72-point margins, one wide column, and three regular columns.

下一步，要计算您将需要使表居中的缩进量，这基于页面宽度、两个 72 点边距、一个宽列和三个正常列。

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So his plans included specifications for a printer almost as complicated as the calculating engine itself, with adjustable margins, two separate fonts, and the ability to print in two, three or four columns.

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