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At the end of the header cells, you call the Ln method to move down to the start of the next line.

在标题单元格的最后，您要调用Ln方法以便向下移动到下一行的开始。

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It then calls the Ln method, which is the equivalent of a carriage return to start a new line.

然后调用Ln方法(该方法与回车键等效)启用一个新行。

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