For data series in columns: The first row in the range is used as names for data series. For data series in rows: The first row in the range is used as categories. The remaining rows comprise the data series. If this check box is not marked, all rows are data series.
对于列中的数据序列：区域中的第一行被用作数据序列的名称。对于行中的数据序列：区域中的第一行被用作类别。剩下的行构成数据序列。如果没有选择此复选框，所有的行都将作为数据序列。