The launch program illustrates something about file system layout.
launch程序会解释有关文件系统布局的内容。
Have we finished the plant layout for this program?
我们完成了这个项目的工厂布置吗？
The program has undo, restore function, you can record to walk, you can also layout.
本程序具有悔棋，还原功能，可以记录走法，还可以进行布局。
The program has undo, restore function, you can record to walk, you can also layout.
本程序具有悔棋，还原功能，可以记录走法，还可以进行布局。
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