游戏板包含9行和9列单元格，单元格只能包含1到9的值。
The game board contains nine rows and nine columns of cells that can only contain a value of 1 through 9.
我们选择使用一列单选按钮，每个单选按钮代表一种格式。从调色板中拖动Radio Button小部件即可添加这些按钮。
We opted for a series of radio buttons, one for each format, and these can be added by dragging the radio button widget from the palette.
在实际装置中，可以采用类似散热片结构的两列金属板，交叉布置，这样它们相互靠近但不至于接触。
In a practical device, two arrays of metal plates, like fins on a radiator, would be interleaved, so that they are very close but not touching.
应用推荐