Freezes rows and columns before selection, or unfreezes them.

冻结选定范围前面的行和列, 或取消冻结.

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A table is a collection of data, arranged in rows and columns.

表是一种按行和列排列的数据集合.

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Retrieve only the columns and rows you need.

只选择你需要的行和列.

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The rows and columns select frequencies from the low and high frequency group respectively.

这些行和列分别从低音频组和高音频组中选择频率.频率的准确值见下面表3.

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