Doughnut - this sub-type can show multiple data columns. Each data column is shown as one doughnut shape with a hole inside, where the next data column can be shown. In the created chart, you can click and drag an outer sector to move it along a radial from the doughnut's centre.
圆环图 - 此子类型可以显示多个数据列。每一个数据列被显示为一个中心带孔的圆环形状，在其中可以显示下一个数据列。在一个已创建的图表中，您可以单击并拖动一个外部扇形，使其从圆环图的中心沿径向移动。