使用鼠标可以进行单元格的选择，还可以辅助ctrl和shift的组合键进行选 择。也可以取消选择。行和列可以按照大小进行重排，还可以取消对行、列或两者的排序。 双击区分点，行或者列可以按照大小自动排序 -Using the mouse to the cell, but also the combination of Ctrl and shift can be used to the combination of keys. Can also cancel the choice. Rows an