To align characters horizontally or vertically to fit the positioning constraints of a required format.

在水平方向和垂直方向调整字符，使之满足所需格式的位置要求。

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Align center to line up the center of each object vertically in the center of the margin guides.

“水平居中”可在边距参考线中心垂直对齐每个对象的中心。

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This raises the question how these ICONS would align vertically if they were in cells that wrapped to multiple lines OR were in rows with greater than needed row height.

这提出了另外一个问题，如果多行单元格合并了或者行高大于所需行高的话，图标将如何竖直对齐呢？

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