这两项设置让我们能将网格第一列转换成矩阵的竖直维度。

These two Settings allowed us to start converting the first column of the grid into the vertical dimension of the matrix.

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填入竖直维度的标题数据是将网格最左侧列转换成矩阵竖直维度的第二步，也是最后一步。

Filling in the data for the titles of the headers of the vertical dimension is the second and final step for turning the left-most column of the grid into the vertical dimension of the matrix.

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构建 xml_objects 的目的是将 XML 文档转换成一个两维网格表示，从而更易于在关系数据库中存储。

The purpose of xml_objects is to transform an XML document into a two dimensional grid representation that can more easily be stored in a relational database.

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