这个条件如第35行所示，其中，如果在一段连续的时间内对该列排序，并且以前的排序方向为升序，那么它必须切换为降序排序。
This condition is shown in line 35, where if the column is being sorted for a consecutive time and the previous direction was upward, it must be switched to downward sorting.
初始化rowlayout与设置RowLayout的几个属性一样容易：type用于在竖直列方向和水平行方向进行切换，而wrap控制布局是否能创建多个行。
Initializing the RowLayout is as easy as setting a few properties: type toggles between vertical and horizontal rows, while wrap controls whether the layout can create more than one row.
要设置显示列的排序方向的箭头，可以调用Tree类的setSortDirection(intdirection)方法（第 36、37行）。
To set the arrow that shows the direction in which the column is sorted, the setSortDirection(int direction) method of the Tree class is called (lines 36 to 37).
度量候选断点的重要性不但要考虑该矩阵的列方向特征，而且还要以适当的方式考虑矩阵的行方向特征。
When measuring the importance of a candidate cut, both the characteristics of columns and rows of this matrix should be reasonably taken into consideration.
度量候选断点的重要性不但要考虑该矩阵的列方向特征，而且还要以适当的方式考虑矩阵的行方向特征。
When measuring the importance of a candidate cut, both the characteristics of columns and rows of this matrix should be reasonably taken into consideration.
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